Value | Category | Cases | |
---|---|---|---|
-99 | DK | 0 |
0%
|
-88 | Missing | 0 |
0%
|
-77 | NA | 0 |
0%
|
199 | 1 |
0.1%
|
|
1963 | 1 |
0.1%
|
|
1978 | 1 |
0.1%
|
|
1981 | 1 |
0.1%
|
|
1986 | 2 |
0.1%
|
|
1987 | 4 |
0.2%
|
|
1988 | 3 |
0.2%
|
|
1989 | 1 |
0.1%
|
|
1990 | 1 |
0.1%
|
|
1991 | 5 |
0.3%
|
|
1992 | 8 |
0.4%
|
|
1993 | 5 |
0.3%
|
|
1994 | 4 |
0.2%
|
|
1995 | 9 |
0.5%
|
|
1996 | 122 |
6.2%
|
|
1997 | 394 |
20.1%
|
|
1998 | 354 |
18.1%
|
|
1999 | 354 |
18.1%
|
|
2000 | 386 |
19.7%
|
|
2001 | 301 |
15.4%
|
|
Sysmiss | 3 |