.
6 million
7 million
8 million
9 million
27%
35%
43%
51%
2.2 million
3.6 million
4.9 million
5.3 million
5%
10%
15%
20%
44%
53%
67%
78%
10%
25%
50%
75%
6.3 million
11.4 million
19.9 million
24.7 million
31%
52%
74%
88%
$30,000
$60,000
$90,000
$120,000
30 years old
31 years old
32 years old
33 years old
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