2016	Democratic	985,658	30.6%
	Republican	0	0.0%
	Independent	2,234,799	69.4%

2014	Democratic	998,609	49.2%
	Republican	0	0.0%
	Independent	1,032,456	50.8%

2011	Democratic	793,026	41.3%
	Republican	0	0.0%
	Independent	1,128,904	58.7%

2010	Democratic	1,616,273	64.1%
	Republican	0	0.0%
	Independent	903,319	35.9%

2006	Democratic	972,747	48.3%
	Republican	0	0.0%
	Independent	1,042,679	51.7%

2005	Democratic	670,225	36.8%
	Republican	0	0.0%
	Independent	1,153,353	63.2%

2004	Democratic	1,711,785	61.5%
	Republican	0	0.0%
	Independent	1,069,414	38.5%

2001	Democratic	522,848	37.3%
	Republican	0	0.0%
	Independent	880,523	62.7%

2000	Democratic	675,635	28.3%
	Republican	0	0.0%
	Independent	1,714,485	71.7%

1998	Democratic	1,070,360	57.2%
	Republican	0	0.0%
	Independent	802,376	42.8%

1997	Democratic	985,169	59.7%
	Republican	0	0.0%
	Independent	666,073	40.3%

1996	Democratic	1,222,492	56.7%
	Republican	0	0.0%
	Independent	934,344	43.3%

1993	Democratic	836,047	55.4%
	Republican	0	0.0%
	Independent	673,378	44.6%

1991	Democratic	810,623	53.6%
	Republican	0	0.0%
	Independent	701,808	46.4%

1984	Democratic	949,921	53.1%
	Republican	0	0.0%
	Independent	838,083	46.9%

1982	Democratic	889,091	66.2%
	Republican	0	0.0%
	Independent	453,221	33.8%

1977	Democratic	443,840	46.0%
	Republican	0	0.0%
	Independent	521,062	54.0%

1976	Democratic	963,756	66.6%
	Republican	0	0.0%
	Independent	482,953	33.4%

1972	Democratic	372,693	28.0%
	Republican	0	0.0%
	Independent	959,143	72.0%

1950	Democratic	290,005	49.8%
	Republican	0	0.0%
	Independent	292,857	50.2%

1932	Democratic	231,863	46.2%
	Republican	0	0.0%
	Independent	270,421	53.8%

1914	Democratic	171,208	47.4%
	Republican	0	0.0%
	Independent	189,840	52.6%