Government Scientific Source

$0~$10(0)
$10~$25(0)
$25~$50(189)
$50~$75(40)
$75~$100(14)
$100~$200(44)
$200~$300(22)
$300~$400(4)
$400~$500(8)
$500~$750(8)
$750~$1000(6)
$1000~$5000(10)
$5000~$10000(1)
$10000~$50000(1)
$50000~$100000(0)
$100000~$3000000(0)

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