|
| Années | Valeurs | Variations (%) ** |
| 1961 | 156 |
|
| 1962 | 160 |
2,56 |
| 1963 | 190 |
18,75 |
| 1964 | 200 |
5,26 |
| 1965 | 260 |
30,00 |
| 1966 | 260 |
0,00 |
| 1967 | 260 |
0,00 |
| 1968 | 140 |
-46,15 |
| 1969 | 163 |
16,43 |
| 1970 | 123 |
-24,54 |
| 1971 | 179 |
45,53 |
| 1972 | 150 |
-16,20 |
| 1973 | 177 |
18,00 |
| 1974 | 170 |
-3,95 |
| 1975 | 143 |
-15,88 |
| 1976 | 239 |
67,13 |
| 1977 | 271 |
13,39 |
| 1978 | 300 |
10,70 |
| 1979 | 187 |
-37,67 |
| 1980 | 262 |
40,11 |
| 1981 | 247 |
-5,73 |
| 1982 | 282 |
14,17 |
| 1983 | 200 |
-29,08 |
| 1984 | 210 |
5,00 |
| 1985 | 219 |
4,29 |
| 1986 | 253 |
15,53 |
| 1987 | 260 |
2,77 |
| 1988 | 280 |
7,69 |
| 1989 | 292 |
4,29 |
| 1990 | 292 |
0,00 |
| 1991 | 168 |
-42,47 |
| 1992 | 150 |
-10,71 |
| 1993 | 482 |
221,33 |
| 1994 | 340 |
-29,46 |
| 1995 | 604 |
77,65 |
| 1996 | 958 |
58,61 |
| 1997 | 812 |
-15,24 |
| 1998 | 836 |
2,96 |
| 1999 | 822 |
-1,67 |
| 2000 | 793 |
-3,53 |
| 2001 | 756 |
-4,67 |
| 2002 | 558 |
-26,19 |
| 2003 | 824 |
47,67 |
| 2004 | 583 |
-29,25 |
| 2005 | 346 |
-40,65 |
| 2006 | 307 |
-11,27 |
| 2007 | 340 |
10,75 |
| 2008 | 434 |
27,65 |
| 2009 | 695 |
60,14 |
| 2010 | 589 |
-15,25 |
| 2011 | 634 |
7,64 |
| 2012 | 604 |
-4,73 |
| 2013 | 234 |
-61,26 |
|
