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Observations de la série affichée.
60 observations correspondantes. Selected chart observations only. Other source measures and dimensions are excluded.
| Période | Valeur | Unité source |
|---|---|---|
| 2000 | 326.0 | |
| 1999 | 324.0 | |
| 1998 | 324.0 | |
| 1997 | 323.0 | |
| 1996 | 322.0 | |
| 1995 | 322.0 | |
| 1994 | 322.0 | |
| 1993 | 302.0 | |
| 1992 | 302.0 | |
| 1991 | 304.0 | |
| 1990 | 307.0 | |
| 1989 | 323.0 | |
| 1988 | 336.0 | |
| 1987 | 346.0 | |
| 1986 | 357.0 | |
| 1985 | 375.0 | |
| 1984 | 387.0 | |
| 1983 | 411.0 | |
| 1982 | 435.0 | |
| 1981 | 462.0 | |
| 1980 | 463.0 | |
| 1979 | 474.0 | |
| 1978 | 479.0 | |
| 1977 | 487.0 | |
| 1976 | 500.0 |