The Business Journal's List of the 50 largest mergers and acquisitions in 2017 involving Minnesota-based companies totals almost $35 billion. The top 10, or the list leaders, account for $22 billion — which is about 63 percent of the entire List. UnitedHealth Group Inc. was the most active company among with the list leaders with four deals totaling $11.3 billion. Related: Click here for a full rundown of M&A activity in Minnesota for 2017 Check out the slideshow to see the largest M&A deals…