YEAR	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual 24-hr Avg.
1992			49815	50637	50065	54920	54035	50387	48334	47237	43065	41598
1993	36715	41150	46211	46495	43394	48166	52092	53086	51207	49794	44906	43559	46427
1994	36717	42362	49782	48202	50721	52213	42540	44963	43615	42520	38346	37196	44096
1995
1996
1997		55763	58201	59423	62152	65749	63025	65448	63020	62792	60603	59633
1998	52630	60584	64201	65106	65600	71025	68976	69870	67553	67825	64643	60869	64907
1999	60821	62226	66152	68505	68945	73682	70384	70838	67864	68962	63813	63638	67153
2000	62094	66843	70634	72234	73797	77471	74514	77685	73319	72695	69640	68144	71589
2001	64005	68891	73431	74475	75003	77925	75617	78020	73032	73434	70439	66801	72589
2002	64299	67932	70173	73014	74547	76523	75307	76112	71425	73423	69385	67922	71672
2003	66524	68670	69618	71549	72909	75915	74856	74450	72553	72899	67640	68876	71372
2004	63175	68842	74590	75703	74604	78179	78754	79270	75700	76336	75968	73859	74582
2005	67800	72628	76305	76466	76428	80884	78402	80869	75947	75595	73477	71370	75514
2006	69634	73643	76881	76620	78445	82939	78334		79265	77517	74948	71487
2007	70318	73671	76831	77277	78573	80164	78324	81254	75200	73732	72272	67311	75411
2008	64135	69481	71972	73888	73806			74919
2009	63841	66263	67827	68777	70247	73355	67776	74928

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