| Votes | Pct. | ||
| Yes | 1,327,400 | 34.1% | |
| No | 2,555,519 | 65.9% |
| Votes | Pct. | ||
| Yes | 1,452,535 | 37.4% | |
| No | 2,421,908 | 62.6% |
| Votes | Pct. | ||
| Yes | 1,368,222 | 35.4% | |
| No | 2,493,770 | 64.6% | |
| Votes | Pct. | ||
| Yes | 1,324,252 | 34.2% | |
| No | 2,536,657 | 65.8% |
| Votes | Pct. | ||
| Yes | 1,292,437 | 33.6% | |
| No | 2,549,361 | 66.4% |
| Votes | Pct. | ||
| Yes | 2,859,122 | 73.9% | |
| No | 1,101,457 | 26.1% |