中位数的 60% 1 $31,266 $2,605.50 2 $40,886 $3,407.17 3 $50,506 $4,208.83 4 $60,126 $5,010.50 5 $69,747 $5,812.25 6 $79,367 $6,613.92 7 $81,171 $6,764.25 8 $82,974 $6,914.50 9 $84,778 $7,064.83 10 $86,582 $7,215.17 11 $88,386 $7,365.50 12 $90,189 $7,515.75 每增加一个