Government Scientific Source

$0~$10(3)
$10~$25(28)
$25~$50(24)
$50~$75(21)
$75~$100(25)
$100~$200(69)
$200~$300(82)
$300~$400(44)
$400~$500(30)
$500~$750(33)
$750~$1000(7)
$1000~$5000(14)
$5000~$10000(1)
$10000~$50000(0)
$50000~$100000(0)
$100000~$3000000(0)

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