Year | 1960 | 1965 | 1970 | 1975 | 1980 | 1985 | 1990 | 1995 | 2000 |
---|---|---|---|---|---|---|---|---|---|
Australia | Â | Â | Â | Â | 4.3 | 4.2 | 2.8 | 2 | 2 |
Austria | Â | Â | Â | Â | Â | Â | Â | 4 | 4 |
Belgium | Â | Â | Â | Â | Â | 4 | 4 | 4.3 | 4.5 |
Canada | Â | Â | Â | Â | 1.8 | 1 | 1 | 1 | 1 |
Denmark | Â | Â | Â | Â | Â | 3.6 | 3.4 | 3.6 | 4 |
Finland | Â | Â | 5 | 5 | 4.4 | 4.6 | 5 | 5 | 5 |
France | Â | Â | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Germany | Â | Â | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
Ireland | Â | Â | Â | 4 | Â | 1.9 | 3.4 | 4 | 4 |
Italy | Â | Â | 2 | 2 | 2.9 | 2.6 | 2.6 | 3.6 | 4 |
Japan | Â | Â | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
Netherland | Â | Â | Â | Â | Â | Â | 4 | 4 | 4 |
New Zealand | Â | Â | Â | Â | Â | Â | 2.2 | 1 | 1 |
Norway | Â | Â | Â | 4.5 | 3.9 | 4.1 | 4.5 | 4.5 | 4.5 |
Portugal | Â | Â | Â | 4.4 | 3.4 | 3 | 3.6 | 4 | 4 |
Spain | Â | Â | Â | 4.4 | 4 | 3.7 | 3.2 | 3 | 3 |
Sweden | Â | Â | 4 | 4 | 3.7 | 3.2 | 3 | 3 | 3 |
Switzerland | Â | Â | Â | Â | Â | Â | Â | 4 | 4 |
United Kingdom | Â | Â | Â | Â | Â | 1 | 1 | 1 | 1 |
US | Â | Â | 1 | 1 | 1 | 1 | 1 | 1 | 1 |