| | |
|
|
| a |
| 86.9 | 506,567 | 1949 | 1 |
| 75.1 | 924,885 | 1951 | 2 |
| 82.8 | 1,057,795 | 1955 | 3 |
| 81.6 | 1,218,483 | 1959 | 4 |
| 83.0 | 1,271,285 | 1961 | 5 |
| 83.0 | 1,499,709 | 1965 | 6 |
| 81.7 | 1,748,710 | 1969 | 7 |
| 78.6 | 2,037,478 | 1973 | 8 |
| 79.2 | 2,236,293 | 1977 | 9 |
| 78.5 | 2,490,014 | 1981 | 10 |
| 78.8 | 2,654,613 | 1984 | 11 |
| 79.7 | 2,894,267 | 1988 | 12 |
| 77.4 | 3,409,015 | 1992 | 13 |
| 79.3 | 3,933,250 | 1996 | 14 |
| 78.7 | 4,285,428 | 1999 | 15 |
| 62.3 | 4,504,769 | 2001 | Special Elections for
the Prime Minister |
| 68.9 | 4,720,074 | 2003 | 16 |
| 63.5 | 5,014,622 | 2006 | 17 |
| 64.7 | 5,278,985 | 2009 | 18 |
|