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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 |
|---|---|---|
| 1975 | 513.0 | |
| 1974 | 514.0 | |
| 1973 | 522.0 | |
| 1972 | 540.0 | |
| 1971 | 561.0 | |
| 1970 | 567.0 | |
| 1969 | 595.0 | |
| 1968 | 612.0 | |
| 1967 | 627.0 | |
| 1966 | 634.0 |