| Valeur | Modalité | Cas | |
|---|---|---|---|
| 1971 | 2 |
0%
|
|
| 1974 | 1 |
0%
|
|
| 1975 | 1 |
0%
|
|
| 1977 | 3 |
0.1%
|
|
| 1978 | 3 |
0.1%
|
|
| 1979 | 11 |
0.3%
|
|
| 1980 | 18 |
0.4%
|
|
| 1981 | 28 |
0.6%
|
|
| 1982 | 26 |
0.6%
|
|
| 1983 | 20 |
0.5%
|
|
| 1984 | 30 |
0.7%
|
|
| 1985 | 36 |
0.8%
|
|
| 1986 | 24 |
0.5%
|
|
| 1987 | 39 |
0.9%
|
|
| 1988 | 38 |
0.9%
|
|
| 1989 | 48 |
1.1%
|
|
| 1990 | 69 |
1.6%
|
|
| 1991 | 55 |
1.3%
|
|
| 1992 | 50 |
1.1%
|
|
| 1993 | 62 |
1.4%
|
|
| 1994 | 71 |
1.6%
|
|
| 1995 | 82 |
1.9%
|
|
| 1996 | 108 |
2.5%
|
|
| 1997 | 91 |
2.1%
|
|
| 1998 | 107 |
2.5%
|
|
| 1999 | 109 |
2.5%
|
|
| 2000 | 164 |
3.8%
|
|
| 2001 | 181 |
4.1%
|
|
| 2002 | 148 |
3.4%
|
|
| 2003 | 177 |
4.1%
|
|
| 2004 | 172 |
3.9%
|
|
| 2005 | 218 |
5%
|
|
| 2006 | 206 |
4.7%
|
|
| 2007 | 251 |
5.8%
|
|
| 2008 | 295 |
6.8%
|
|
| 2009 | 367 |
8.4%
|
|
| 2010 | 418 |
9.6%
|
|
| 2011 | 636 |
14.6%
|