| Country | 1990-2011 (%) |
|---|---|
| Malta | -98.0 |
| Lithuania | -95.0 |
| Slovakia | -91.0 |
| Denmark | -87.0 |
| Hungary | -87.0 |
| Switzerland | -86.0 |
| United Kingdom | -85.0 |
| France | -81.0 |
| Netherlands | -77.0 |
| Belgium | -73.0 |
| Norway | -72.0 |
| Poland | -70.0 |
| Germany | -67.0 |
| Latvia | -67.0 |
| Sweden | -65.0 |
| Bulgaria | -61.0 |
| Ireland | -60.0 |
| Czech Republic | -57.0 |
| Austria | -53.0 |
| Spain | -52.0 |
| Romania | -51.0 |
| Croatia | -48.0 |
| Portugal | -44.0 |
| Estonia | -44.0 |
| Finland | -43.0 |
| Slovenia | -30.0 |
| Italy | -20.0 |
| Cyprus | -13.0 |
| Greece | 0.0 |
| Liechtenstein | 17.0 |