April 1999 345
May 1999 387
June 1999 284
July 1999 616
August 1999 511
September 1999 696
October 1999 556
November 1999 856
December 1999 515
January 2000 381
February 2000 655
March 2000 699
April 2000 705
May 2000 672
June 2000 1148
July 2000 834
August 2000 926
September 2000 602
October 2000 308
November 2000 423
December 2000 514
January 2001 469