Government Scientific Source

$0~$10(4)
$10~$25(2)
$25~$50(28)
$50~$75(20)
$75~$100(28)
$100~$200(125)
$200~$300(149)
$300~$400(85)
$400~$500(96)
$500~$750(164)
$750~$1000(134)
$1000~$5000(431)
$5000~$10000(507)
$10000~$50000(151)
$50000~$100000(0)
$100000~$3000000(0)

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