2008-04-01 to 2008-07-01 (279 threads) 2008-01-01 to 2008-04-01 (258 threads) 2007-10-01 to 2008-01-01 (248 threads) 2007-07-01 to 2007-10-01 (293 threads) 2007-04-01 to 2007-07-01 (323 threads) 2007-01-01 to 2007-04-01 (350 threads) 2006-10-01 to 2007-01-01 (304 threads) 2006-07-01 to 2006-10-01 (340 threads) 2006-04-01 to 2006-07-01 (344 threads) 2006-01-01 to 2006-04-01 (407 threads) 2005-10-01 to 2006-01-01 (363 threads) 2005-07-01 to 2005-10-01 (440 threads) 2005-04-01 to 2005-07-01 (468 threads) 2005-01-01 to 2005-04-01 (502 threads) 2004-10-01 to 2005-01-01 (475 threads) 2004-07-01 to 2004-10-01 (551 threads) 2004-04-01 to 2004-07-01 (444 threads) 2004-01-01 to 2004-04-01 (562 threads) 2003-10-01 to 2004-01-01 (474 threads) 2003-07-01 to 2003-10-01 (471 threads) 2003-04-01 to 2003-07-01 (408 threads) 2003-01-01 to 2003-04-01 (399 threads) 2002-10-01 to 2003-01-01 (259 threads) 2002-07-01 to 2002-10-01 (260 threads) 2002-04-01 to 2002-07-01 (311 threads) 2002-01-01 to 2002-04-01 (259 threads) 2001-10-01 to 2002-01-01 (154 threads) 2001-07-01 to 2001-10-01 (131 threads) 2001-04-01 to 2001-07-01 (157 threads)
