Government Scientific Source

$0~$10(32)
$10~$25(39)
$25~$50(24)
$50~$75(11)
$75~$100(7)
$100~$200(9)
$200~$300(3)
$300~$400(1)
$400~$500(1)
$500~$750(1)
$750~$1000(2)
$1000~$5000(2)
$5000~$10000(0)
$10000~$50000(0)
$50000~$100000(0)
$100000~$3000000(0)

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