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Codes and Frequencies



An 'X' indicates the category is available for that sample

0NIUXXXXXXXXXXXXXXXXXXXXXXXXX
1NoXXXXXXXXXXXXXXXXXXXXXXXXX
2YesXXXXXXXXXXXXXXXXXXXXXXXXX
7Unknown--refusedXXXXXXXXXXXXXXXXXXXXXX···
8Unknown--not ascertained···············X····X·X··
9Unknown--don't knowXXXXXXXXXXXXXXXXXXXXXXXXX