Netherlands
13,055 hours
Finland
11,419 hours
Germany
3,719 hours
Germany
4,207 hours
Germany
11,174 hours
France
3,086 hours
France
12,682 hours
France
6,095 hours
Germany
3,780 hours
Germany
12,160 hours
France
11,838 hours
France
1,488 hours
Germany
6,251 hours
Netherlands
8,981 hours
Netherlands
800 hours
China
700 hours
China
11,127 hours
Switzerland
13,347 hours
Switzerland
8,804 hours
Finland