Which States Have Been the Swing States?

I've been wondering which states have been the swing states. If you list the states in order from most Democratic to most Republican in a Presidential election, which states have been the ones to put the victor over the top? For example, in the last three Presidential elections, Florida was famously the swing state of 2000, Ohio was the swing state of 2004, and Iowa was the swing state of 2008.

I've made a list of the swing states from 1824 to 2008 (the data at Dave Leip's Atlas of U.S. Presidential Elections only go back to 1824) and, when I sorted the states in order of most likely to swing, I got the following results:

Swings	State
10	New York
7	Ohio
6	Illinois
4	Pennsylvania
3	Michigan
3	New Jersey
2	Iowa
1	California
1	Colorado
1	Florida
1	Idaho
1	Louisiana
1	Maine
1	North Carolina
1	South Carolina
1	Virginia
1	Washington
1	West Virginia
1	Wisconsin

New York has been the swing state surprisingly often. On the other hand, it hasn't been a swing state since 1944.