Government Scientific Source

$0~$10(1)
$10~$25(11)
$25~$50(22)
$50~$75(13)
$75~$100(5)
$100~$200(80)
$200~$300(48)
$300~$400(21)
$400~$500(7)
$500~$750(22)
$750~$1000(6)
$1000~$5000(8)
$5000~$10000(2)
$10000~$50000(2)
$50000~$100000(0)
$100000~$3000000(0)

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