Countries (number of stations) Countries 1992 2000 2011
Turkey (5) 0.35
FYR Macedonia (19) 0.728 0.24
Belgium (28) 0.3975 0.2507 0.2107
United Kingdom (81) 0.5961 0.4356 0.2087
Kosovo under UNSCR 1244/99 (44) 0.185
Serbia (76) 0.147
Bulgaria (55) 0.1496 0.1694 0.1016
Romania (102) 0.092
Slovakia (9) 0.0958 0.1319 0.0706
Czech Republic (65) 0.1562 0.1469 0.07
Luxembourg (1) 0.02 0.02 0.0691
Germany (135) 0.1184 0.0785 0.0676
Ireland (4) 0.0231 0.0751 0.0558
Denmark (40) 0.089 0.0662 0.054
France (172) 0.1641 0.0855 0.0498
Lithuania (27) 0.2059 0.103 0.0464
Cyprus (19) 0.0448
Bosnia and Herzegovina (6) 0.0445 0.034
Croatia (38) 0.031
Austria (42) 0.0753 0.0489 0.0306
Portugal (29) 0.027
Estonia (53) 0.0489 0.0308 0.0246
Latvia (21) 0.0621 0.0376 0.0217
Slovenia (14) 0.0399 0.0406 0.0166
Sweden (108) 0.0105 0.0102 0.0141
Finland (82) 0.0152 0.0159 0.0135
Liechtenstein (13) 0.0615 0.0146 0.0125
Switzerland (6) 0.0396 0.0195 0.0117
Iceland (1) 0.008
Norway (10) 0.0045 0.0043 0.0043