Government Scientific Source

$0~$10(1)
$10~$25(12)
$25~$50(4)
$50~$75(28)
$75~$100(9)
$100~$200(28)
$200~$300(9)
$300~$400(3)
$400~$500(0)
$500~$750(2)
$750~$1000(0)
$1000~$5000(0)
$5000~$10000(0)
$10000~$50000(0)
$50000~$100000(0)
$100000~$3000000(0)

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