1981年
$10,586.07
$3,175.82
$13,146.10
$3,943.83
$14,391.52
$4,317.46
$18,196.97
$5,459.09
$11,312.56
$3,393.77
$27,537.62
$15,083.42
$13,699.62
$10,032.55
$16,467.22
$4,940.17
$13,007.72
$3,902.32
