1978
0.3
Indice par pays
| Année | Indice |
|---|---|
| Denmark | 0.36 |
| France | 0.36 |
| Netherlands | 0.36 |
| Norway | 0.33 |
| New Zealand | 0.31 |
| Austria | 0.29 |
| Finland | 0.29 |
| Korea | 0.23 |
| China | 0.16 |
| Année | Indice |
|---|---|
| Denmark | 0.36 |
| France | 0.36 |
| Netherlands | 0.36 |
| Norway | 0.33 |
| New Zealand | 0.31 |
| Austria | 0.29 |
| Finland | 0.29 |
| Korea | 0.23 |
| China | 0.16 |