2013
10,000
Estimated Tax Bill ($ Millions)
20,000
30,000
40,000
50,000
60,000
70,000
80,000
90,000
1,640
2002
N/A
2,300
2003
N/A
4,100
2004
N/A
505
2005
151
6,100
2006
1.7
7,500
2007
2,200
18,000
2008
5,400
29,500
2009
9,200
44,800
2010
14,200
60,800
2011
19,400
76,400
2012
24,400
92,900
2013
29,600