2013
2014
2015
Estonia
470
572
677
Poland
234
405
466
Finland
149
286
279
Austria
209
214
189
Slovenia
184
186
156
Greece
163
166
France
160
164
152
Hungary
121
124
135
Cyprus
146
138
135
Sweden
234
205
130
Romania
75
73
72
Ireland
96
86
71