2022	Democratic	196,575	68.5%
	Republican	80,468	28.0%
	Other	10,057	3.5%

2018	Democratic	0	0.0%
	Republican	74,815	27.4%
	Independent	183,649	67.4%
	Other	14,160	5.2%

2016	Democratic	192,243	61.3%
	Republican	103,637	33.0%
	Other	17,929	5.7%

2012	Democratic	0	0.0%
	Republican	73,198	24.9%
	Independent	209,053	71.0%
	Other	12,016	4.1%

2010	Democratic	151,281	64.3%
	Republican	72,699	30.9%
	Other	11,198	4.8%

2006	Democratic	0	0.0%
	Republican	84,924	32.4%
	Independent	171,638	65.4%
	Other	5,857	2.2%

2004	Democratic	216,972	70.6%
	Republican	75,398	24.5%
	Other	14,838	4.8%

2000	Democratic	73,352	25.4%
	Republican	189,133	65.6%
	Other	26,015	9.0%

1998	Democratic	154,567	72.2%
	Republican	48,051	22.4%
	Other	11,418	5.3%

1994	Democratic	85,868	40.6%
	Republican	106,505	50.3%
	Independent	12,465	5.9%
	Other	6,834	3.2%

1992	Democratic	154,762	54.2%
	Republican	123,854	43.3%
	Other	7,123	2.5%

1988	Democratic	71,469	29.8%
	Republican	163,203	68.0%
	Other	5,439	2.3%

1986	Democratic	124,123	63.2%
	Republican	67,798	34.5%
	Other	4,611	2.3%

1982	Democratic	79,340	47.2%
	Republican	84,450	50.3%
	Other	4,213	2.5%

1980	Democratic	104,089	49.8%
	Republican	101,647	48.6%
	Other	3,452	1.7%

1976	Democratic	85,682	45.3%
	Republican	94,481	50.0%
	Independent	8,801	4.7%

1974	Democratic	70,629	49.5%
	Republican	66,223	46.4%
	Other	5,920	4.1%

1970	Democratic	62,271	40.2%
	Republican	91,198	58.9%
	Other	1,416	0.9%

1968	Democratic	0	0.0%
	Republican	157,154	99.9%
	Other	221	0.1%

1962	Democratic	40,134	33.1%
	Republican	81,241	66.9%

1958	Democratic	59,536	47.8%
	Republican	64,900	52.2%