Commodity2005200620072008200920102011
Unused postage/revenue/sim. stamps of current/new issue...; stamp-impressed ...$588,365$605,012$765,222,875$1,358,077,906$1,499,843,558$2,010,862,579$3,908,745,576
Total$588,365$605,012$765,222,875$1,358,077,906$1,499,843,558$2,010,862,579$3,908,745,576