Government Scientific Source

$0~$10(15)
$10~$25(4)
$25~$50(17)
$50~$75(15)
$75~$100(8)
$100~$200(15)
$200~$300(6)
$300~$400(1)
$400~$500(3)
$500~$750(1)
$750~$1000(1)
$1000~$5000(5)
$5000~$10000(3)
$10000~$50000(1)
$50000~$100000(0)
$100000~$3000000(0)

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