# this file must have the columns \t separated 
February 2007	3950866	272132
November 2006	3846469	275126
August 2006	3950948	290540
May 2006	3758173	300026
February 2006	3853716	314167
November 2005	3954884	326315
October 2005	4166819	332566
September 2005	4171815	335777
August 2005	4193477	337853
July 2005	4223875	346042
June 2005	4208891	355845
May 2005	4271554	361500
April 2005	4280199	367110
March 2005	4366328	372162
February 2005	4408975	377475
January 2005	4417422	383667
December 2004	4478913	388092
November 2004	4567088	393757
October 2004	4697847	404247
September 2004	4735563	409956
August 2004	4742739	416808
July 2004	4717106	421360
June 2004	4751722	427421
May 2004	4767652	431059
April 2004	4805660	435010
March 2004	4749073	433932
February 2004	4864343	432188
January 2004	4746587	437794
December 2003	4869752	450912
November 2003	4907712	454448
October 2003	4720715	458887
September 2003	4739151	451753
August 2003	4705370	450392
July 2003	4691841	469832
June 2003	4699585	479872
May 2003	4738526	482235
April 2003	4607873	486411
March 2003	4553109	491413
February 2003	4162825	462416
January 2003	4108930	458057
December 2002	4082690	461309
November 2002	3943776	462402
October 2002	3753202	434418
September 2002	3882275	438194
August 2002	3849195	437944
July 2002	3826447	451408
June 2002	3789712	437454
May 2002	3594884	410391
April 2002	3633952	411314
March 2002	3478130	393860
February 2002	3354370	388506
January 2002	2819847	341458
December 2001	2720503	326545
November 2001	2651419	322595
October 2001	2540267	293633
September 2001	2899420	281192
August 2001	2823060	283180
July 2001	2936558	281471
June 2001	2802093	273827
May 2001	2475367	265466
April 2001	2482288	256862
March 2001	2298821	244201
February 2001	2203353	230502
January 2001	2001011	225123
December 2000	1811864	214467
November 2000	1524620	197931
October 2000	1597399	183327
September 2000	1508381	170758
August 2000	1476602	152073
July 2000	1286714	132940
June 2000	1080206	123008
May 2000	852675	108327
April 2000	736805	95994
March 2000	612425	85749
February 2000	478614	74515
January 2000	418742	66239
December 1999	411008	63993
November 1999	384018	60116
October 1999	342285	55688
September 1999	282232	50334
August 1999	248925	51413
July 1999	202081	42183
June 1999	183793	40484 
May 1999	156458	36976
April 1999	134255	32570
March 1999	112399	28482
February 1999	103088	25854
January 1999	81982	23742
December 1998	72545	22598
November 1998	63692	19239
October 1998	64171	15055
September 1998	57365	12540
August 1998	54450	12438
July 1998	47068	9904
June 1998	42508	9237
May 1998	39535	8682
April 1998	33696	6980
March 1998	30075	6439
February 1998	25343	5607
January 1998	16591	4343
December 1997	14624	3814
November 1997	13303	3431
October 1997	12654	3045
September 1997	7165	2256
August 1997	1501	1228
July 1997	1138	580
June 1997	312	239