Government Scientific Source

$0~$10(4)
$10~$25(52)
$25~$50(42)
$50~$75(32)
$75~$100(36)
$100~$200(97)
$200~$300(91)
$300~$400(60)
$400~$500(51)
$500~$750(69)
$750~$1000(38)
$1000~$5000(159)
$5000~$10000(10)
$10000~$50000(1)
$50000~$100000(0)
$100000~$3000000(0)

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