what are all the schools?
michigan, michigan state, michigan tech, western michigan, north dakota, toronto, new hampshire, colorado college, wisconsin, boston college, notre dame, boston university, harvard, maine, ohio state, rensselaer polytechnic institute, lake superior state, northern michigan, colgate, dartmouth, providence, brown, cornell, princeton, st lawrence, yale, bowling green, pennsylvania, western ontario
how many years did they participate?
44, 40, 49, 4, 4, 1, 2, 3, 3, 4, 4, 5, 5, 1, 1, 2, 3, 5, 1, 1, 1, 2, 1, 1, 1, 1, 2, 2, 2
which school participated for the most years?
michigan tech