YEAR	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual 24-hr Avg.
1992							12763	13604	14318	14582	13721	13861
1993	12538	14076	15178	16265	16205	16876	16503	16474	16171	16529	16309	15901	15759
1994	15024	15923	17446	17822	17650	18252	17688	18234	18006	18135	17396	17010	17389
1995	17242	18329	18843	19280	19364	19884	19407	19533	19048	18902	18223	17774	18819
1996	17230	18603	19683	20193	20724	22340	22348	22593	21349	21590	19924	17694	20356
1997	18533	19862	20298	20703	20778	21100	20474	20674	21056	20719	19967	19489	20304
1998	18880	20526	21397	21648	21506	22042	21451	21387	20988	20677	19469	19667	20803
1999	19485	20201	21606	22024	21668	22135	21223	21463	20892	20558	19925	19740	20910
2000	19392	21104	21702	22104	21287			18543	19402	19984	19602	19242
2001	18554	20074	21086	20978	22658
2002
2003		17694	18140	20492	21606	21886	21324	21193	21201	21443	19957	20493
2004	19690	21268	22736	23711	22871	23617	22996	22786	22496	22392	21651	21594	22317
2005	21185	23989	24005	24449	23853	24819	23930	24920	23897	23635	23245	22722	23721
2006	22860	25432	26576	27433	27995	28400	26828	27135	26191	25766	24765	23028	26034
2007	22619	24096	24861	24942	25065	24888	23833	24539	23138	23713	22609	21443	23812
2008	21211	22510	22879		22979	23014	22123	21520	21669	21694	19841	20017
2009	19699	21392	21557	23133	22834	23482	22439	22092	22121

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