Government Scientific Source

$0~$10(1)
$10~$25(8)
$25~$50(8)
$50~$75(29)
$75~$100(75)
$100~$200(176)
$200~$300(199)
$300~$400(199)
$400~$500(120)
$500~$750(150)
$750~$1000(34)
$1000~$5000(176)
$5000~$10000(9)
$10000~$50000(0)
$50000~$100000(0)
$100000~$3000000(0)

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