|
| Années | Valeurs | Variations (%) ** |
| 1961 | 202 |
|
| 1962 | 227 |
12,38 |
| 1963 | 227 |
0,00 |
| 1964 | 124 |
-45,37 |
| 1965 | 142 |
14,52 |
| 1966 | 262 |
84,51 |
| 1967 | 223 |
-14,89 |
| 1968 | 115 |
-48,43 |
| 1969 | 48 |
-58,26 |
| 1970 | 130 |
170,83 |
| 1971 | 143 |
10,00 |
| 1972 | 128 |
-10,49 |
| 1973 | 105 |
-17,97 |
| 1974 | 88 |
-16,19 |
| 1975 | 54 |
-38,64 |
| 1976 | 68 |
25,93 |
| 1977 | 33 |
-51,47 |
| 1978 | 32 |
-3,03 |
| 1979 | 55 |
71,88 |
| 1980 | 11 |
-80,00 |
| 1981 | 11 |
0,00 |
| 1982 | 44 |
300,00 |
| 1983 | 97 |
120,45 |
| 1984 | 174 |
79,38 |
| 1985 | 349 |
100,57 |
| 1986 | 262 |
-24,93 |
| 1987 | 207 |
-20,99 |
| 1988 | 217 |
4,83 |
| 1989 | 371 |
70,97 |
| 1990 | 551 |
48,52 |
| 1991 | 399 |
-27,59 |
| 1992 | 494 |
23,81 |
| 1993 | 800 |
61,94 |
| 1994 | 992 |
24,00 |
| 1995 | 1 278 |
28,83 |
| 1996 | 999 |
-21,83 |
| 1997 | 777 |
-22,22 |
| 1998 | 818 |
5,28 |
| 1999 | 1 127 |
37,78 |
| 2000 | 1 308 |
16,06 |
| 2001 | 1 698 |
29,82 |
| 2002 | 1 587 |
-6,54 |
| 2003 | 1 533 |
-3,40 |
| 2004 | 1 209 |
-21,14 |
| 2005 | 1 141 |
-5,62 |
| 2006 | 1 545 |
35,41 |
| 2007 | 1 490 |
-3,56 |
| 2008 | 1 204 |
-19,19 |
| 2009 | 1 279 |
6,23 |
| 2010 | 787 |
-38,47 |
| 2011 | 1 301 |
65,31 |
| 2012 | 1 063 |
-18,29 |
| 2013 | 2 212 |
108,09 |
|
