Government Scientific Source

$0~$10(1)
$10~$25(31)
$25~$50(314)
$50~$75(302)
$75~$100(224)
$100~$200(500)
$200~$300(197)
$300~$400(115)
$400~$500(56)
$500~$750(76)
$750~$1000(22)
$1000~$5000(19)
$5000~$10000(0)
$10000~$50000(2)
$50000~$100000(0)
$100000~$3000000(0)

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