2022	Democratic	119,975	36.1%
	Republican	212,348	63.9%

2018	Democratic	112,807	34.8%
	Republican	211,064	65.2%

2014	Democratic	84,181	32.6%
	Republican	155,647	60.2%
	Other	18,586	7.2%

2010	Democratic	118,635	39.2%
	Republican	163,828	54.2%
	Other	19,971	6.6%

2002	Democratic	133,886	41.4%
	Republican	181,571	56.2%
	Other	7,878	2.4%

1998	Democratic	70,082	27.4%
	Republican	174,353	68.2%
	Other	11,116	4.3%

1994	Democratic	118,635	38.9%
	Republican	186,280	61.1%

1990	Democratic	98,308	39.4%
	Republican	151,257	60.6%

1986	Democratic	140,109	49.4%
	Republican	143,502	50.6%

1978	Democratic	107,348	43.0%
	Republican	142,104	57.0%

1974	Democratic	153,317	57.3%
	Republican	114,429	42.7%

1972	Democratic	156,723	52.9%
	Republican	139,492	47.1%

1970	Democratic	96,756	41.6%
	Republican	136,094	58.4%

1968	Democratic	107,859	40.0%
	Republican	161,623	60.0%

1966	Democratic	81,889	37.1%
	Republican	139,128	62.9%

1964	Democratic	130,039	46.1%
	Republican	152,124	53.9%

1962	Democratic	112,402	45.1%
	Republican	136,742	54.9%

1960	Democratic	143,135	48.0%
	Republican	155,232	52.0%

1958	Democratic	127,259	50.8%
	Republican	123,277	49.2%

1956	Democratic	136,317	48.0%
	Republican	147,923	52.0%

1954	Democratic	94,273	41.0%
	Republican	135,611	59.0%

1952	Democratic	90,442	31.9%
	Republican	193,140	68.1%

1950	Democratic	97,775	40.3%
	Republican	144,937	59.7%