Government Scientific Source

$0~$10(1)
$10~$25(7)
$25~$50(38)
$50~$75(14)
$75~$100(22)
$100~$200(90)
$200~$300(128)
$300~$400(95)
$400~$500(121)
$500~$750(178)
$750~$1000(79)
$1000~$5000(132)
$5000~$10000(0)
$10000~$50000(0)
$50000~$100000(0)
$100000~$3000000(0)

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