| 1991 | ||
| 0 | Belgium | 1.66 |
| 1 | Bulgaria | 1.66 |
| 2 | Czech Republic | 1.86 |
| 3 | Denmark | 1.68 |
| 4 | Germany | 1.33 |
| 5 | Estonia | 1.80 |
| 6 | Ireland | 2.08 |
| 7 | Greece | 1.38 |
| 8 | Spain | 1.33 |
| 9 | France | .. |
| 10 | Italy | 1.30 |
| 11 | Cyprus | .. |
| 12 | Latvia | 1.86 |
| 13 | Lithuania | 2.01 |
| 14 | Luxembourg | 1.60 |
| 15 | Hungary | 1.87 |
| 16 | Malta | .. |
| 17 | Netherlands | 1.61 |
| 18 | Austria | 1.51 |
| 19 | Poland | .. |
| 20 | Portugal | 1.56 |
| 21 | Romania | 1.62 |
| 22 | Slovenia | 1.42 |
| 23 | Slovakia | 2.05 |
| 24 | Finland | 1.79 |
| 25 | Sweden | 2.11 |
| 26 | United Kingdom | 1.82 |
| 27 | Croatia | 1.54 |
| 28 | Macedonia | .. |
| 29 | Iceland | 2.18 |
| 30 | Liechtenstein | .. |
| 31 | Norway | 1.92 |
| 32 | Switzerland | 1.58 |
| 33 | Albania | .. |
| 34 | Bosnia and Herzegovina | .. |
| 35 | Serbia and Montenegro | .. |