你的数据呢？这里是网上能查到的数据。1%交差不多所有个人税收总额大概一半那么多

According to estimates by the Tax Policy Foundation, the top 1 percent of earners (incomes in excess of $615,000) are paying nearly half — 45.7 percent — of individual income taxes for tax year 2014. The top 20 percent, with incomes above $134,300, contribute nearly 84 percent of all federal income 

另外bottom 50%左右不交任何税。