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Map | Pie | Year | Total | D | R | I | Margin | %Margin | Dem | Rep | Ind | Oth. | Dem | Rep | Ind | Other | | | | | | | | | | | | | | | | | |
| | 1974 |
2,920,756 |
1 |
2 |
3 |
217,297 |
7.44% |
51.82% |
44.38% |
3.79% |
0.00% |
1,513,619 |
1,296,322 |
110,776 |
39 |
| | 1970 |
2,954,580 |
2 |
1 |
0 |
155,186 |
5.25% |
47.37% |
52.62% |
0.00% |
0.00% |
1,399,651 |
1,554,837 |
0 |
92 |
| | 1966 |
2,732,710 |
2 |
1 |
0 |
562,644 |
20.59% |
39.71% |
60.29% |
0.00% |
0.00% |
1,085,033 |
1,647,677 |
0 |
0 |
|