Government Scientific Source

$0~$10(20)
$10~$25(15)
$25~$50(22)
$50~$75(18)
$75~$100(8)
$100~$200(36)
$200~$300(16)
$300~$400(14)
$400~$500(16)
$500~$750(17)
$750~$1000(16)
$1000~$5000(52)
$5000~$10000(1)
$10000~$50000(0)
$50000~$100000(0)
$100000~$3000000(0)

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