Countries (number of stations)	1992	2000	2012
Luxembourg (3)	4.9	4.8	5.6
Turkey (5)			4.9
United Kingdom (150)	4.5	4.3	4.1
Belgium (27)	4.7	4.7	3.8
Denmark (38)	7.8	5.0	3.2
Netherlands (2)		3.6	3.2
Germany (136)	4.2	3.4	2.8
Poland (48)	1.8	2.0	2.3
France (188)	2.2	2.4	2.1
Cyprus (8)		1.9	1.8
Lithuania (27)	1.9	1.6	1.8
Slovakia (15)	2.1	1.8	1.7
Estonia (53)	1.5	1.3	1.7
Austria (47)	2.1	1.7	1.6
Bulgaria (74)	2.7	2.2	1.6
Montenegro (36)			1.47
Ireland (3)	1.3	1.3	1.2
Portugal (29)			1.22
Switzerland (6)	1.4	1.2	1.2
Romania (118)		1.2	1.2
the Former Yugoslav Republic of Macedonia (19)		1.1	1.2
Italy (32)		1.5	1.2
Slovenia (13)	1.1	1.0	1.1
Liechtenstein (12)	1.5	1.3	1.0
Serbia (76)			0.85
Kosovo* (44)			0.77
Croatia (38)			0.74
Latvia (17)	1.6	1.0	0.6
Bosnia and Herzegovina (23)		0.4	0.6
Sweden (108)	0.7	0.6	0.5
Albania (4)		1.16	0.37
Finland (84)	0.3	0.4	0.4
Norway (10)	0.3	0.3	0.2
Iceland (1)		0.0	0.0
Czech Republic (66)	3.96	3.2
Greece (14)		6.6
Hungary (89)	2.4	2.6
Spain (182)	1.51	1.95