Question pretext
fully fill in four digits of the year.
If bought within the last 12 months, record both month and year
Literal question
When did you purchase or receive it?
Categories
Value |
Category |
-1 |
Lack of information because of interviewer |
1911 |
|
1938 |
|
1940 |
|
1941 |
|
1944 |
|
1945 |
|
1950 |
|
1951 |
|
1952 |
|
1953 |
|
1954 |
|
1955 |
|
1956 |
|
1958 |
|
1960 |
|
1961 |
|
1962 |
|
1963 |
|
1964 |
|
1965 |
|
1966 |
|
1967 |
|
1968 |
|
1969 |
|
1970 |
|
1971 |
|
1972 |
|
1973 |
|
1974 |
|
1975 |
|
1976 |
|
1977 |
|
1978 |
|
1979 |
|
1980 |
|
1981 |
|
1982 |
|
1983 |
|
1984 |
|
1985 |
|
1986 |
|
1987 |
|
1988 |
|
1989 |
|
1990 |
|
1991 |
|
1992 |
|
1993 |
|
1994 |
|
1995 |
|
1996 |
|
1997 |
|
1998 |
|
1999 |
|
2000 |
|
2001 |
|
2002 |
|
2003 |
|
2004 |
|
2005 |
|
2006 |
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.
Interviewer instructions
fully fill in four digits of the year. If bought within the last 12 months, record both month and year