| Countries | Year | Collected without treatment | Primary | Secondary | Tertiary |
|---|---|---|---|---|---|
| Austria | 1970 | 12.0 | 5.0 | 0.0 | |
| Austria | 1980 | 10.0 | 25.0 | 3.0 | |
| Austria | 1990 | 0.0 | 5.0 | 60.0 | 7.0 |
| Austria | 1995 | 0.8 | 1.4 | 26.0 | 47.5 |
| Austria | 2000 | 0.0 | 0.0 | 17.2 | 63.7 |
| Austria | 2005 | 0.0 | 0.0 | 5.5 | 83.4 |
| Austria | 2010 | 0.0 | 0.0 | 1.3 | 92.6 |
| Austria | 2012 | 0.0 | 0.0 | 1.0 | 93.5 |
| Austria | 2014 | 0.0 | 0.0 | 1.2 | 93.8 |
| Austria | 2015 | 0.0 | 0.0 | 1.2 | 93.8 |
| Belgium | 1970 | 0.0 | 3.8 | 0.0 | |
| Belgium | 1980 | 0.0 | 22.9 | 0.0 | |
| Belgium | 1990 | 0 | 0.0 | 0.0 | 0.0 |
| Belgium | 1995 | 52.2 | 0.0 | 25.7 | 3.1 |
| Belgium | 2000 | 38.0 | 0.0 | 5.5 | 35.6 |
| Belgium | 2005 | 29.6 | 0.0 | 7.7 | 46.7 |
| Belgium | 2010 | 7.3 | 0.0 | 8.6 | 66.4 |
| Belgium | 2012 | 7.2 | 0.0 | 9.8 | 71.5 |
| Belgium | 2014 | 7.2 | 0.0 | 10.8 | 73.4 |
| Belgium | 2015 | 7.2 | 0.0 | 10.8 | 73.4 |
| Denmark | 1970 | 40.5 | 24.6 | 22.9 | 0.0 |
| Denmark | 1980 | 30.8 | 22.0 | 33.4 | 1.8 |
| Denmark | 1990 | 0.7 | 14.2 | 42.1 | 29.1 |
| Denmark | 1995 | 0.3 | 2.1 | 15.1 | 69.7 |
| Denmark | 2000 | 0.0 | 0.7 | 4.4 | 82.7 |
| Denmark | 2005 | 0.0 | 0.7 | 4.4 | 82.7 |
| Denmark | 2010 | 0.0 | 2.4 | 2.4 | 85.6 |
| Denmark | 2012 | 0.0 | 2.3 | 1.8 | 86.6 |
| Denmark | 2014 | 0.0 | 0.0 | 2.0 | 89.0 |
| Denmark | 2015 | 0.0 | 0.0 | 2.0 | 89.0 |
| Germany | 1970 | 0.0 | 0.0 | 0.0 | 0.0 |
| Germany | 1980 | 0.0 | 0.0 | 0.0 | 0.0 |
| Germany | 1990 | 1.5 | 6.5 | 31.5 | 47.6 |
| Germany | 1995 | 3.6 | 4.1 | 12.2 | 71.9 |
| Germany | 2000 | 2.2 | 1.1 | 6.3 | 83.1 |
| Germany | 2005 | 0.0 | 1.4 | 95.9 | |
| Germany | 2010 | 0.0 | 0.0 | 3.0 | 92.6 |
| Germany | 2012 | 0.0 | 0.0 | 2.7 | 92.8 |
| Germany | 2014 | 0.0 | 0.0 | 2.5 | 92.9 |
| Germany | 2015 | 0.0 | 0.0 | 2.5 | 92.9 |
| Ireland | 1970 | 0 | 0 | 0 | 0 |
| Ireland | 1980 | 0.2 | 11.0 | 0.0 | |
| Ireland | 1990 | 22.0 | 23.0 | 21.0 | 0.0 |
| Ireland | 1995 | 24.0 | 31.8 | 1.8 | |
| Ireland | 2000 | 27.0 | 40.0 | 21.0 | 5.0 |
| Ireland | 2005 | 23.0 | 41.0 | 21.0 | 8.0 |
| Ireland | 2010 | 2.0 | 60.0 | 11.0 | |
| Ireland | 2012 | 4.0 | 49.0 | 14.0 | |
| Ireland | 2014 | 3.0 | 47.0 | 18.0 | |
| Ireland | 2015 | 3.0 | 47.0 | 18.0 | |
| Luxembourg | 1970 | 23.0 | 5.0 | ||
| Luxembourg | 1980 | 16.0 | 65.0 | ||
| Luxembourg | 1990 | 0.0 | 3.4 | 81.6 | 5.0 |
| Luxembourg | 1995 | 0.0 | 19.1 | 57.4 | 11.0 |
| Luxembourg | 2000 | 0.0 | 19.1 | 57.4 | 11.0 |
| Luxembourg | 2005 | 5.2 | 6.7 | 65.8 | 22.3 |
| Luxembourg | 2010 | 1.4 | 4.4 | 62.0 | 29.3 |
| Luxembourg | 2012 | 0.9 | 2.0 | 27.3 | 68.8 |
| Luxembourg | 2014 | 2.0 | 2.0 | 27.0 | 70.0 |
| Luxembourg | 2015 | 1.5 | 1.9 | 25.3 | 71.3 |
| Netherlands | 1970 | 15.0 | 29.0 | 0.0 | |
| Netherlands | 1980 | 13.5 | 7.9 | 61.9 | 2.6 |
| Netherlands | 1990 | 2.0 | 1.4 | 84.4 | 8.2 |
| Netherlands | 1995 | 0.6 | 0.2 | 45.5 | 51.0 |
| Netherlands | 2000 | 0.0 | 0.0 | 16.5 | 81.6 |
| Netherlands | 2005 | 0.0 | 0.0 | 2.5 | 96.5 |
| Netherlands | 2010 | 0.0 | 0.0 | 1.3 | 98.0 |
| Netherlands | 2012 | 0.0 | 0.0 | 1.1 | 98.4 |
| Netherlands | 2014 | 0.0 | 0.0 | 1.0 | 98.4 |
| Netherlands | 2015 | 0.0 | 0.0 | 1.0 | 98.4 |
| Switzerland | 1970 | 0.0 | 35.0 | 0.0 | |
| Switzerland | 1980 | 0.0 | 32.0 | 41.0 | |
| Switzerland | 1990 | 0.0 | 28.0 | 62.0 | |
| Switzerland | 1995 | 0.0 | 0.0 | 23.0 | 71.0 |
| Switzerland | 2000 | 0.0 | 0.0 | 22.0 | 74.0 |
| Switzerland | 2005 | 1.1 | 0.0 | 20.0 | 77.0 |
| Switzerland | 2010 | 1.0 | 0.0 | 20.0 | 78.0 |
| Switzerland | 2012 | 1.0 | 0.0 | 20.0 | 78.0 |
| Switzerland | 2014 | 0.3 | 0.0 | 11.0 | 87.0 |
| Switzerland | 2015 | 0.3 | 0.0 | 11.0 | 87.0 |
| United Kingdom | 1970 | 0.0 | 0.0 | 0.0 | 0.0 |
| United Kingdom | 1980 | 0.0 | 0.0 | 0.0 | 0.0 |
| United Kingdom | 1990 | 0.0 | 0.0 | 0 | 0.0 |
| United Kingdom | 1995 | 11.0 | 9.0 | 64.0 | 14.0 |
| United Kingdom | 2000 | 2.0 | 64.0 | 27.0 | |
| United Kingdom | 2005 | 0.0 | 56.0 | 43.0 | |
| United Kingdom | 2010 | 0.4 | 0.0 | 49.6 | 49.9 |
| United Kingdom | 2012 | 0.4 | 0.0 | 49.6 | 49.9 |
| United Kingdom | 2014 | 0.0 | 43.0 | 57.0 | |
| United Kingdom | 2015 | 0.0 | 43.0 | 57.0 |