List of language skills
- Arabic 2
- Bulgarian 1
- Chinese 6
- Croatian 17
- Czech 135
- Dutch 33
- English 7 323
- Esperanto 1
- Estonian 1
- Finnish 2
- French 77
- German 1 493
- Greek 3
- Hebrew 1
- Hungarian 339
- Italian 75
- Japanese 1
- Macedonian 6
- Norwegian 4
- Polish 60
- Portuguese 2
- Romanian 5
- Russian 96
- Serbian 21
- Slovak 2 915
- Slovenian 9
- Spanish 33
- Swedish 1
- Turkish 5
- Ukrainian 67