Government Scientific Source

$0~$10(122)
$10~$25(186)
$25~$50(148)
$50~$75(75)
$75~$100(42)
$100~$200(86)
$200~$300(52)
$300~$400(15)
$400~$500(12)
$500~$750(14)
$750~$1000(7)
$1000~$5000(8)
$5000~$10000(0)
$10000~$50000(0)
$50000~$100000(0)
$100000~$3000000(0)

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