Government Scientific Source

$0~$10(24)
$10~$25(147)
$25~$50(210)
$50~$75(160)
$75~$100(174)
$100~$200(1113)
$200~$300(887)
$300~$400(2015)
$400~$500(8814)
$500~$750(7964)
$750~$1000(1470)
$1000~$5000(5991)
$5000~$10000(588)
$10000~$50000(431)
$50000~$100000(85)
$100000~$3000000(75)

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