Value | Category | Cases | |
---|---|---|---|
1 | before 1970 | 33 |
0.6%
|
2 | 1970-79 | 111 |
2.2%
|
3 | 1980-89 | 342 |
6.7%
|
4 | 1990-99 | 1111 |
21.6%
|
5 | 2000-04 | 1260 |
24.5%
|
6 | 2005-10 | 2274 |
44.3%
|
7 | do not know | 3 |
0.1%
|
Sysmiss | 20819 |