| Value | Category | Cases | |
|---|---|---|---|
| -5 | Missing; Unknown | 0 |
0%
|
| -4 | Not asked in survey | 0 |
0%
|
| -3 | Not applicable | 0 |
0%
|
| -2 | No answer | 0 |
0%
|
| -1 | Don´t know | 0 |
0%
|
| 1994 | 1994 | 780 |
1%
|
| 1995 | 1995 | 16681 |
21.4%
|
| 1996 | 1996 | 32321 |
41.5%
|
| 1997 | 1997 | 14167 |
18.2%
|
| 1998 | 1998 | 12615 |
16.2%
|
| 1999 | 1999 | 1254 |
1.6%
|