Survey Text

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

No questionnaire text is available for this sample.


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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.