Government Scientific Source

$0~$10(3)
$10~$25(6)
$25~$50(8)
$50~$75(9)
$75~$100(12)
$100~$200(32)
$200~$300(21)
$300~$400(16)
$400~$500(14)
$500~$750(35)
$750~$1000(11)
$1000~$5000(55)
$5000~$10000(5)
$10000~$50000(5)
$50000~$100000(5)
$100000~$3000000(7)

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