1981年
$10,586.07
$13,146.10
$14,391.52
$18,196.97
$11,312.56
$27,537.62
$8,261.29
$15,083.42
$13,699.62
$4,109.89
$10,032.55
$16,467.22
$4,940.17
$13,007.72
