Here's another interesting article. Myself being one of those who voted against both Trump and Hillary in 2016 that is supporting Joe Biden this time. I'm not alone.

"They Voted Third Party in 2016, but Now They've Settled on Biden"

https://news.yahoo.com/voted-third-party-2016-now-121228659.html

There were 9 million voters who cast a ballot for a third party candidate in 2016, 6% of the electorate who were so disgusted with their choices of Hillary Clinton and Trump, they were more than willing to vote for just a third name on the ballot even though they knew that third name had no chance of winning.

You want to compare the third party vote to past elections, 6% in 2016, 1.5% in 2012, 1.2% in 2008 and 1.0% in 2004.
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It's high past time that we start electing Americans to congress and the presidency who put America first instead of their political party. For way too long we have been electing Republicans and Democrats who happen to be Americans instead of Americans who happen to be Republicans and Democrats.