Tax year,Top 1%,Top Fifth,2nd-highest fifth,Middle fifth,2nd-lowest fifth,Lowest fifth
1996,36.35%,83.10%,12.33%,3.76%,0.73%,0.08%
1997,37.69%,83.59%,11.83%,3.74%,0.74%,0.10%
1998,40.58%,85.16%,10.69%,3.40%,0.65%,0.09%
1999,44.53%,86.85%,9.51%,2.99%,0.57%,0.08%
2000,48.74%,88.21%,8.45%,2.68%,0.57%,0.09%
2001,39.48%,85.27%,10.62%,3.35%,0.69%,0.07%
2002,36.66%,84.63%,11.13%,3.43%,0.73%,0.08%
2003,38.73%,85.67%,10.45%,3.14%,0.65%,0.08%
2004,42.70%,87.10%,9.49%,2.78%,0.56%,0.07%
2005,47.53%,88.64%,8.32%,2.49%,0.50%,0.05%
2006,47.92%,88.52%,8.44%,2.49%,0.49%,0.06%
2007,48.10%,89.00%,8.20%,2.30%,0.50%,0.10%
2008,42.80%,87.60%,9.30%,2.60%,0.50%,0.04%
2009,36.90%,85.20%,11.20%,3.00%,0.50%,0.10%
2010,40.90%,86.90%,10.10%,2.54%,0.43%,0.05%
2011,41.10%,88.40%,9.07%,2.18%,0.34%,0.04%
2012,50.60%,90.70%,7.34%,1.68%,0.29%,0.04%
2013,45.40%,89.40%,8.27%,1.91%,0.33%,0.04%
2014,48.00%,90.20%,7.68%,1.76%,0.32%,0.04%