|
| Années | Valeurs | Variations (%) ** |
| 1961 | 476 |
|
| 1962 | 498 |
4,62 |
| 1963 | 550 |
10,44 |
| 1964 | 507 |
-7,82 |
| 1965 | 465 |
-8,28 |
| 1966 | 561 |
20,65 |
| 1967 | 500 |
-10,87 |
| 1968 | 800 |
60,00 |
| 1969 | 500 |
-37,50 |
| 1970 | 600 |
20,00 |
| 1971 | 700 |
16,67 |
| 1972 | 473 |
-32,43 |
| 1973 | 333 |
-29,60 |
| 1974 | 394 |
18,32 |
| 1975 | 346 |
-12,18 |
| 1976 | 336 |
-2,89 |
| 1977 | 750 |
123,21 |
| 1978 | 450 |
-40,00 |
| 1979 | 1 370 |
204,44 |
| 1980 | 1 730 |
26,28 |
| 1981 | 2 110 |
21,97 |
| 1982 | 2 470 |
17,06 |
| 1983 | 2 650 |
7,29 |
| 1984 | 2 343 |
-11,58 |
| 1985 | 3 069 |
30,99 |
| 1986 | 4 575 |
49,07 |
| 1987 | 3 830 |
-16,28 |
| 1988 | 4 454 |
16,29 |
| 1989 | 3 468 |
-22,14 |
| 1990 | 4 279 |
23,39 |
| 1991 | 4 905 |
14,63 |
| 1992 | 5 117 |
4,32 |
| 1993 | 5 810 |
13,54 |
| 1994 | 6 007 |
3,39 |
| 1995 | 6 555 |
9,12 |
| 1996 | 7 032 |
7,28 |
| 1997 | 6 892 |
-1,99 |
| 1998 | 6 939 |
0,68 |
| 1999 | 7 573 |
9,14 |
| 2000 | 6 950 |
-8,23 |
| 2001 | 10 431 |
50,09 |
| 2002 | 9 936 |
-4,75 |
| 2003 | 9 992 |
0,56 |
| 2004 | 10 239 |
2,47 |
| 2005 | 10 435 |
1,91 |
| 2006 | 11 814 |
13,22 |
| 2007 | 13 301 |
12,59 |
| 2008 | 12 763 |
-4,04 |
| 2009 | 12 385 |
-2,96 |
| 2010 | 13 266 |
7,11 |
| 2011 | 14 571 |
9,84 |
| 2012 | 14 808 |
1,63 |
| 2013 | 15 000 |
1,30 |
|
