Government Scientific Source

$0~$10(31)
$10~$25(54)
$25~$50(69)
$50~$75(70)
$75~$100(32)
$100~$200(75)
$200~$300(51)
$300~$400(35)
$400~$500(18)
$500~$750(24)
$750~$1000(14)
$1000~$5000(23)
$5000~$10000(0)
$10000~$50000(0)
$50000~$100000(0)
$100000~$3000000(0)

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