Government Scientific Source

$0~$10(1)
$10~$25(3687)
$25~$50(3542)
$50~$75(2145)
$75~$100(843)
$100~$200(1464)
$200~$300(657)
$300~$400(297)
$400~$500(151)
$500~$750(109)
$750~$1000(48)
$1000~$5000(67)
$5000~$10000(6)
$10000~$50000(0)
$50000~$100000(0)
$100000~$3000000(0)

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