And for the rich, the past 11 years has been one long party. According to the Paris School of Economics, the top 1% in America saw their share of national income increase by more than 13% from 2001 to 2010. The top 0.1% saw their share of income increase by 20%. The top 0.01% saw their share of income explode by more than 37%, from 2.4% of all of the income in America to 3.3%.