| قيمة | فئة | حالات | |
|---|---|---|---|
| 1971 | 135 |
0.2%
|
|
| 1972 | 1554 |
2.6%
|
|
| 1973 | 2080 |
3.5%
|
|
| 1974 | 1794 |
3%
|
|
| 1975 | 2198 |
3.7%
|
|
| 1976 | 2266 |
3.8%
|
|
| 1977 | 2297 |
3.9%
|
|
| 1978 | 2328 |
3.9%
|
|
| 1979 | 2711 |
4.6%
|
|
| 1980 | 2564 |
4.3%
|
|
| 1981 | 2657 |
4.5%
|
|
| 1982 | 2550 |
4.3%
|
|
| 1983 | 2681 |
4.5%
|
|
| 1984 | 2806 |
4.7%
|
|
| 1985 | 3041 |
5.1%
|
|
| 1986 | 2732 |
4.6%
|
|
| 1987 | 2742 |
4.6%
|
|
| 1988 | 2625 |
4.4%
|
|
| 1989 | 2149 |
3.6%
|
|
| 1990 | 2171 |
3.6%
|
|
| 1991 | 2143 |
3.6%
|
|
| 1992 | 1770 |
3%
|
|
| 1993 | 1586 |
2.7%
|
|
| 1994 | 1468 |
2.5%
|
|
| 1995 | 1363 |
2.3%
|
|
| 1996 | 1169 |
2%
|
|
| 1997 | 975 |
1.6%
|
|
| 1998 | 875 |
1.5%
|
|
| 1999 | 654 |
1.1%
|
|
| 2000 | 456 |
0.8%
|
|
| 2001 | 295 |
0.5%
|
|
| 2002 | 190 |
0.3%
|
|
| 2003 | 95 |
0.2%
|
|
| 2004 | 19 |
0%
|
|
| 2005 | 12 |
0%
|
|
| 2006 | 3 |
0%
|
|
| 9998 | Don't know year | 336 |
0.6%
|