Government Scientific Source

$0~$10(1)
$10~$25(24)
$25~$50(42)
$50~$75(39)
$75~$100(51)
$100~$200(159)
$200~$300(109)
$300~$400(99)
$400~$500(55)
$500~$750(85)
$750~$1000(35)
$1000~$5000(38)
$5000~$10000(0)
$10000~$50000(0)
$50000~$100000(0)
$100000~$3000000(0)

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