Government Scientific Source

$0~$10(48)
$10~$25(178)
$25~$50(205)
$50~$75(212)
$75~$100(242)
$100~$200(996)
$200~$300(581)
$300~$400(430)
$400~$500(294)
$500~$750(663)
$750~$1000(561)
$1000~$5000(1772)
$5000~$10000(286)
$10000~$50000(288)
$50000~$100000(29)
$100000~$3000000(9)

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