| 1967 | 1971 | 1972 | 1977 | 1981 | 1982 | 1986 | 1989 | 1994 | 1998 | 2002 | 2003 | 2006 | |
| Groningen | 2,71% | 4,09% | 3,08% | 4,36% | 8,84% | 3,42% | 5,38% | 6,99% | 14,06% | 8,59% | 5,24% | 3,89% | 1,86% |
| Friesland | 2,40% | 4,06% | 2,80% | 4,38% | 9,52% | 3,18% | 5,15% | 6,43% | 12,46% | 7,05% | 4,20% | 2,77% | 1,06% |
| Drenthe | 2,11% | 4,28% | 2,99% | 4,44% | 9,28% | 3,86% | 5,20% | 6,53% | 13,93% | 8,08% | 4,81% | 3,39% | 1,27% |
| Overijssel | 2,73% | 4,75% | 2,99% | 4,24% | 9,23% | 3,91% | 4,81% | 6,08% | 12,94% | 6,63% | 4,08% | 3,02% | 1,62% |
| Flevoland | 3,54% | 7,30% | 4,59% | 6,72% | 14,58% | 5,08% | 7,93% | 9,18% | 16,99% | 9,02% | 4,97% | 4,11% | 1,55% |
| Gelderland | 3,39% | 5,47% | 3,26% | 4,79% | 10,20% | 4,21% | 5,38% | 7,02% | 15,27% | 8,15% | 4,75% | 3,61% | 1,81% |
| Utrecht | 4,48% | 6,41% | 4,17% | 6,61% | 11,34% | 4,52% | 6,98% | 9,28% | 16,93% | 11,39% | 5,93% | 5,19% | 2,71% |
| N-Holland | 6,93% | 8,45% | 5,31% | 7,27% | 12,37% | 4,54% | 7,72% | 9,94% | 17,16% | 11,53% | 6,48% | 5,67% | 2,73% |
| Z-Holland | 5,04% | 8,19% | 4,93% | 6,06% | 12,02% | 4,21% | 7,00% | 9,12% | 15,78% | 9,38% | 5,04% | 4,39% | 2,33% |
| Zeeland | 2,16% | 4,30% | 2,79% | 4,43% | 9,98% | 4,10% | 5,52% | 6,66% | 13,52% | 6,90% | 3,84% | 2,67% | 1,08% |
| N-Brabant | 4,82% | 6,93% | 4,03% | 4,97% | 11,17% | 4,62% | 5,55% | 7,24% | 16,27% | 8,35% | 5,01% | 3,53% | 1,57% |
| Limburg | 3,08% | 7,30% | 3,97% | 3,30% | 11,19% | 4,67% | 4,41% | 5,45% | 14,51% | 7,37% | 4,12% | 2,92% | 1,12% |
| Nederland | 4,48% | 6,78% | 4,15% | 5,44% | 11,06% | 4,26% | 6,13% | 7,89% | 15,49% | 8,99% | 5,10% | 4,07% | 1,96% |