YEAR	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual 24-hr Avg.
1995	21416	23947	24795	25346	24533	25252	25773	26175	25956	26205	24616	22534	24712
1996	20196	23554	24272	26523		26134	25746		27229	26177	25053	21305
1997	22218	25200	25838	25779	25790	26940	26843	28561	28583	28262	26423	23995	26203
1998	23405	26252	26936	27978	28497
1999
2000			30379	29914	29455	30913	30756	30495	30844	30769	27434	26128
2001	25182	28534	30284	30844	30959	31305	31155	32577	31598	31582	29770	24822	29884
2002	25801	28738	30321	30219	30843	28392	30516	33683	31713	32257	29110	28447	30003
2003	28291	29979	30515	32761	32507	32128	33083	33274		33908	30361	27915
2004	26814	29289	31613	34244	31849	33200	33381		31557	33254	31030	28866
2005	24481	33715	32533	33602	31767	32965	33130	34064	32700	31697	29937	27435	31502
2006	27685	30205	31472	32484							27702	27058
2007	27934	30259	31072	31563	30769	30822	31257	31350	30959	31486	30189	25766	30286
2008	25984	27864	29830

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