Government Scientific Source

$0~$10(1)
$10~$25(30)
$25~$50(88)
$50~$75(154)
$75~$100(165)
$100~$200(331)
$200~$300(122)
$300~$400(77)
$400~$500(58)
$500~$750(62)
$750~$1000(23)
$1000~$5000(37)
$5000~$10000(1)
$10000~$50000(2)
$50000~$100000(0)
$100000~$3000000(0)

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