List of language skills
- Arabic 2
- Bulgarian 1
- Chinese 5
- Croatian 15
- Czech 37
- Dutch 15
- English 3 114
- Esperanto 1
- Finnish 2
- French 46
- German 502
- Greek 3
- Hebrew 1
- Hungarian 51
- Italian 36
- Japanese 1
- Macedonian 6
- Norwegian 1
- Polish 25
- Portuguese 1
- Romanian 2
- Russian 43
- Serbian 14
- Slovak 1 058
- Slovenian 5
- Spanish 21
- Swedish 1
- Turkish 4
- Ukrainian 32