| Value | Category | Cases | |
|---|---|---|---|
| 1970 | 1 |
1.3%
|
|
| 1984 | 1 |
1.3%
|
|
| 1985 | 3 |
3.8%
|
|
| 1987 | 1 |
1.3%
|
|
| 1989 | 3 |
3.8%
|
|
| 1990 | 4 |
5.1%
|
|
| 1991 | 1 |
1.3%
|
|
| 1994 | 1 |
1.3%
|
|
| 1995 | 3 |
3.8%
|
|
| 1996 | 10 |
12.8%
|
|
| 1997 | 4 |
5.1%
|
|
| 1998 | 3 |
3.8%
|
|
| 1999 | 4 |
5.1%
|
|
| 2000 | 4 |
5.1%
|
|
| 2001 | 9 |
11.5%
|
|
| 2002 | 6 |
7.7%
|
|
| 2003 | 7 |
9%
|
|
| 2004 | 8 |
10.3%
|
|
| 2005 | 4 |
5.1%
|
|
| 2006 | 1 |
1.3%
|
|
| 2147483622 | Not applicable | 0 |
0%
|
| 2147483623 | Refusal | 0 |
0%
|
| 2147483624 | Don't know | 0 |
0%
|
| 2147483625 | No answer | 0 |
0%
|
| 10001 | .D | 34531 | |
| Sysmiss | 14457 |