Value | Category | Cases | |
---|---|---|---|
99 | don't know | 1 |
0.5%
|
999 | not applicable | 118 |
55.1%
|
1993 | 1 |
0.5%
|
|
1994 | 5 |
2.3%
|
|
1995 | 6 |
2.8%
|
|
1996 | 9 |
4.2%
|
|
1997 | 11 |
5.1%
|
|
1998 | 8 |
3.7%
|
|
1999 | 13 |
6.1%
|
|
2000 | 17 |
7.9%
|
|
2001 | 12 |
5.6%
|
|
2002 | 13 |
6.1%
|