|
| Années | Valeurs | Variations (%) ** |
| 1961 | 731 |
|
| 1962 | 830 |
13,54 |
| 1963 | 492 |
-40,72 |
| 1964 | 718 |
45,93 |
| 1965 | 994 |
38,44 |
| 1966 | 780 |
-21,53 |
| 1967 | 867 |
11,15 |
| 1968 | 809 |
-6,69 |
| 1969 | 1 006 |
24,35 |
| 1970 | 876 |
-12,92 |
| 1971 | 996 |
13,70 |
| 1972 | 1 151 |
15,56 |
| 1973 | 1 264 |
9,82 |
| 1974 | 1 249 |
-1,19 |
| 1975 | 1 238 |
-0,88 |
| 1976 | 252 |
-79,64 |
| 1977 | 439 |
74,21 |
| 1978 | 293 |
-33,26 |
| 1979 | 551 |
88,05 |
| 1980 | 360 |
-34,66 |
| 1981 | 716 |
98,89 |
| 1982 | 223 |
-68,85 |
| 1983 | 194 |
-13,00 |
| 1984 | 263 |
35,57 |
| 1985 | 449 |
70,72 |
| 1986 | 431 |
-4,01 |
| 1987 | 258 |
-40,14 |
| 1988 | 409 |
58,53 |
| 1989 | 322 |
-21,27 |
| 1990 | 257 |
-20,19 |
| 1991 | 272 |
5,84 |
| 1992 | 459 |
68,75 |
| 1993 | 238 |
-48,15 |
| 1994 | 338 |
42,02 |
| 1995 | 302 |
-10,65 |
| 1996 | 436 |
44,37 |
| 1997 | 400 |
-8,26 |
| 1998 | 583 |
45,75 |
| 1999 | 702 |
20,41 |
| 2000 | 679 |
-3,28 |
| 2001 | 621 |
-8,54 |
| 2002 | 742 |
19,48 |
| 2003 | 863 |
16,31 |
| 2004 | 769 |
-10,89 |
| 2005 | 1 032 |
34,20 |
| 2006 | 723 |
-29,94 |
| 2007 | 684 |
-5,39 |
| 2008 | 1 240 |
81,29 |
| 2009 | 93 |
-92,50 |
| 2010 | 470 |
405,38 |
| 2011 | 339 |
-27,87 |
| 2012 | 15 |
-95,58 |
| 2013 | 15 |
0,00 |
|
