Government Scientific Source

$0~$10(2)
$10~$25(26)
$25~$50(69)
$50~$75(44)
$75~$100(43)
$100~$200(68)
$200~$300(30)
$300~$400(13)
$400~$500(10)
$500~$750(28)
$750~$1000(15)
$1000~$5000(29)
$5000~$10000(3)
$10000~$50000(12)
$50000~$100000(0)
$100000~$3000000(0)

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