Produced by GNUPLOT 4.0 patchlevel 0
0
20000
40000
60000
80000
100000
120000
140000
160000
1965
1970
1975
1980
1985
1990
1995
2000
2005
Income in 2003 US$
95th percentile
90th percentile
80th percentile
50th percentile
20th percentile
10th percentile