|
| Années | Valeurs | Variations (%) ** |
| 1961 | 653 |
|
| 1962 | 513 |
-21,44 |
| 1963 | 494 |
-3,70 |
| 1964 | 465 |
-5,87 |
| 1965 | 225 |
-51,61 |
| 1966 | 195 |
-13,33 |
| 1967 | 30 |
-84,62 |
| 1968 | 105 |
250,00 |
| 1969 | 495 |
371,43 |
| 1970 | 105 |
-78,79 |
| 1971 | 495 |
371,43 |
| 1988 | 286 |
-42,22 |
| 1989 | 382 |
33,57 |
| 1990 | 912 |
138,74 |
| 1991 | 1 350 |
48,03 |
| 1992 | 1 430 |
5,93 |
| 1993 | 1 530 |
6,99 |
| 1994 | 4 000 |
161,44 |
| 1995 | 3 429 |
-14,27 |
| 1996 | 4 800 |
39,98 |
| 1997 | 3 000 |
-37,50 |
| 1998 | 2 555 |
-14,83 |
| 1999 | 2 275 |
-10,96 |
| 2000 | 2 288 |
0,57 |
| 2001 | 2 693 |
17,70 |
| 2002 | 2 316 |
-14,00 |
| 2003 | 2 076 |
-10,36 |
| 2004 | 2 634 |
26,88 |
| 2005 | 2 713 |
3,00 |
| 2006 | 1 980 |
-27,02 |
| 2007 | 2 002 |
1,11 |
| 2008 | 1 638 |
-18,18 |
| 2009 | 1 300 |
-20,63 |
| 2010 | 1 700 |
30,77 |
| 2011 | 1 956 |
15,06 |
| 2012 | 2 000 |
2,25 |
| 2013 | 2 000 |
0,00 |
| 2014 | 2 000 |
0,00 |
|
