Government Scientific Source

$0~$10(1)
$10~$25(117)
$25~$50(195)
$50~$75(242)
$75~$100(251)
$100~$200(843)
$200~$300(465)
$300~$400(67)
$400~$500(97)
$500~$750(21)
$750~$1000(5)
$1000~$5000(2)
$5000~$10000(0)
$10000~$50000(0)
$50000~$100000(0)
$100000~$3000000(0)

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