Survey Text

2021 2006 1991 1976
2020 2005 1990 1975
2019 2004 1989 1974
2018 2003 1988 1973
2017 2002 1987 1972
2016 2001 1986 1971
2015 2000 1985 1970
2014 1999 1984 1969
2013 1998 1983 1968
2012 1997 1982 1967
2011 1996 1981 1966
2010 1995 1980 1965
2009 1994 1979 1964
2008 1993 1978 1963
2007 1992 1977
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2021

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2020

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2019

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2018

No questionnaire text is available for this sample.


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2017

No questionnaire text is available for this sample.


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2016

No questionnaire text is available for this sample.


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2015

No questionnaire text is available for this sample.


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2014

No questionnaire text is available for this sample.


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2013

No questionnaire text is available for this sample.


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2012

No questionnaire text is available for this sample.


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2011

No questionnaire text is available for this sample.


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2010

No questionnaire text is available for this sample.


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2009

No questionnaire text is available for this sample.


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2008

No questionnaire text is available for this sample.


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2007

No questionnaire text is available for this sample.


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2006

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2005

No questionnaire text is available for this sample.


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2004

No questionnaire text is available for this sample.


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2003

No questionnaire text is available for this sample.


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2002

No questionnaire text is available for this sample.


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2001

No questionnaire text is available for this sample.


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2000

No questionnaire text is available for this sample.


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1999

No questionnaire text is available for this sample.


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1998

No questionnaire text is available for this sample.


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1997

No questionnaire text is available for this sample.


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1996

No questionnaire text is available for this sample.


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1995

No questionnaire text is available for this sample.


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1994

No questionnaire text is available for this sample.


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1993

No questionnaire text is available for this sample.


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1992

No questionnaire text is available for this sample.


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1991

No questionnaire text is available for this sample.


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1990

No questionnaire text is available for this sample.


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1989

No questionnaire text is available for this sample.


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1988

No questionnaire text is available for this sample.


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1987

No questionnaire text is available for this sample.


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1986

No questionnaire text is available for this sample.


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1985

No questionnaire text is available for this sample.


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1984

No questionnaire text is available for this sample.


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1983

No questionnaire text is available for this sample.


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1982

No questionnaire text is available for this sample.


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1981

No questionnaire text is available for this sample.


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1980

No questionnaire text is available for this sample.


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1979

No questionnaire text is available for this sample.


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1978

No questionnaire text is available for this sample.


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1977

No questionnaire text is available for this sample.


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1976

No questionnaire text is available for this sample.


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1975

No questionnaire text is available for this sample.


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1974

No questionnaire text is available for this sample.


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1973

No questionnaire text is available for this sample.


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1972

No questionnaire text is available for this sample.


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1971

No questionnaire text is available for this sample.


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1970

No questionnaire text is available for this sample.


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1969

No questionnaire text is available for this sample.


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1968

No questionnaire text is available for this sample.


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1967

No questionnaire text is available for this sample.


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1966

No questionnaire text is available for this sample.


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1965

No questionnaire text is available for this sample.


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1964

No questionnaire text is available for this sample.


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1963

No questionnaire text is available for this sample.