Government Scientific Source

$0~$10(3)
$10~$25(27)
$25~$50(43)
$50~$75(15)
$75~$100(9)
$100~$200(26)
$200~$300(30)
$300~$400(9)
$400~$500(9)
$500~$750(9)
$750~$1000(4)
$1000~$5000(14)
$5000~$10000(0)
$10000~$50000(1)
$50000~$100000(0)
$100000~$3000000(0)

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