2022	Democratic	0	0.0%
	Republican	257,419	100.0%

2018	Democratic	145,558	44.8%
	Republican	179,071	55.2%

2014	Democratic	0	0.0%
	Republican	208,848	82.0%
	Other	45,856	18.0%

2010	Democratic	100,182	33.1%
	Republican	202,499	66.9%

2006	Democratic	104,267	32.6%
	Republican	207,079	64.7%
	Other	8,904	2.8%

2002	Democratic	139,451	42.8%
	Republican	174,513	53.5%
	Other	12,131	3.7%

1994	Democratic	106,709	34.6%
	Republican	192,147	62.3%
	Other	9,410	3.1%

1990	Democratic	102,231	40.5%
	Republican	150,109	59.5%

1986	Democratic	133,577	46.5%
	Republican	153,871	53.5%

1982	Democratic	119,690	43.8%
	Republican	153,724	56.2%

1978	Democratic	106,199	42.8%
	Republican	141,891	57.2%

1974	Democratic	86,865	33.4%
	Republican	172,847	66.6%

1972	Democratic	152,835	51.6%
	Republican	143,367	48.4%

1970	Democratic	114,633	49.6%
	Republican	116,493	50.4%

1968	Democratic	118,045	44.3%
	Republican	148,366	55.7%

1966	Democratic	79,670	36.0%
	Republican	141,734	64.0%

1964	Democratic	125,047	44.2%
	Republican	157,848	55.8%

1962	Democratic	107,897	43.9%
	Republican	137,836	56.1%

1960	Democratic	138,320	46.3%
	Republican	160,299	53.7%

1958	Democratic	126,225	50.8%
	Republican	122,332	49.2%

1956	Democratic	127,988	45.0%
	Republican	156,149	55.0%

1954	Democratic	102,726	44.6%
	Republican	127,692	55.4%

1952	Democratic	94,396	33.4%
	Republican	187,888	66.6%

1950	Democratic	97,792	40.3%
	Republican	144,694	59.7%