|
| Années | Valeurs | Variations (%) ** |
| 1960 | -5,99 |
|
| 1961 | -4,95 |
-17,36 |
| 1962 | -6,44 |
30,10 |
| 1963 | -7,80 |
21,12 |
| 1964 | -7,11 |
-8,85 |
| 1965 | -7,64 |
7,45 |
| 1966 | -9,35 |
22,38 |
| 1967 | -12,11 |
29,52 |
| 1968 | -9,74 |
-19,57 |
| 1969 | -9,66 |
-0,82 |
| 1970 | -9,28 |
-3,93 |
| 1971 | -10,05 |
8,30 |
| 1972 | -12,42 |
23,58 |
| 1973 | -10,29 |
-17,15 |
| 1974 | -15,18 |
47,52 |
| 1975 | -18,88 |
24,37 |
| 1976 | -18,04 |
-4,45 |
| 1977 | -18,60 |
3,10 |
| 1978 | -18,02 |
-3,12 |
| 1979 | -19,51 |
8,27 |
| 1980 | -21,51 |
10,25 |
| 1981 | -28,03 |
30,31 |
| 1982 | -22,32 |
-20,37 |
| 1983 | -17,81 |
-20,21 |
| 1984 | -11,35 |
-36,27 |
| 1985 | -13,00 |
14,54 |
| 1986 | -15,94 |
22,62 |
| 1987 | -15,68 |
-1,63 |
| 1988 | -18,28 |
16,58 |
| 1989 | -11,31 |
-38,13 |
| 1990 | -7,36 |
-34,92 |
| 1991 | -9,34 |
26,90 |
| 1992 | -10,26 |
9,85 |
| 1993 | -10,45 |
1,85 |
| 1994 | -7,75 |
-25,84 |
| 1995 | -9,06 |
16,90 |
| 1996 | -3,52 |
-61,15 |
| 1997 | -4,36 |
23,86 |
| 1998 | -5,41 |
24,08 |
| 1999 | -17,29 |
219,59 |
| 2000 | -13,71 |
-20,71 |
| 2001 | -16,58 |
20,93 |
| 2002 | -11,11 |
-32,99 |
| 2003 | -10,75 |
-3,24 |
| 2004 | -8,73 |
-18,79 |
| 2005 | -7,95 |
-8,93 |
| 2006 | -9,80 |
23,27 |
| 2007 | -12,63 |
28,88 |
| 2008 | -10,79 |
-14,57 |
| 2009 | -11,10 |
2,87 |
| 2010 | -9,06 |
-18,38 |
| 2011 | -8,22 |
-9,27 |
| 2012 | -8,72 |
6,08 |
| 2013 | -9,37 |
7,45 |
| 2014 | -11,51 |
22,84 |
| 2015 | -9,92 |
-13,81 |
| 2016 | -11,43 |
15,22 |
| 2017 | -13,00 |
13,74 |
| 2018 | -8,81 |
-32,23 |
|
