Government Scientific Source

$0~$10(60)
$10~$25(304)
$25~$50(278)
$50~$75(176)
$75~$100(121)
$100~$200(294)
$200~$300(184)
$300~$400(172)
$400~$500(133)
$500~$750(235)
$750~$1000(141)
$1000~$5000(851)
$5000~$10000(246)
$10000~$50000(243)
$50000~$100000(70)
$100000~$3000000(61)

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