Hits 1-5 within 3 documents
| happiness (1) |
| Haushaltseinkommen (3) |
| historical development (1) |
| historische Entwicklung (1) |
| household income (3) |
| happiness (1) |
| Haushaltseinkommen (3) |
| historical development (1) |
| historische Entwicklung (1) |
| household income (3) |