2009-07-01 to 2009-10-01 (2478 threads) 2009-04-01 to 2009-07-01 (2268 threads) 2009-01-01 to 2009-04-01 (2392 threads) 2008-10-01 to 2009-01-01 (1946 threads) 2008-07-01 to 2008-10-01 (2145 threads) 2008-04-01 to 2008-07-01 (2396 threads) 2008-01-01 to 2008-04-01 (2298 threads) 2007-10-01 to 2008-01-01 (2098 threads) 2007-07-01 to 2007-10-01 (2423 threads) 2007-04-01 to 2007-07-01 (2439 threads) 2007-01-01 to 2007-04-01 (2220 threads) 2006-10-01 to 2007-01-01 (2105 threads) 2006-07-01 to 2006-10-01 (2048 threads) 2006-04-01 to 2006-07-01 (1993 threads) 2006-01-01 to 2006-04-01 (2240 threads) 2005-10-01 to 2006-01-01 (2307 threads) 2005-07-01 to 2005-10-01 (2521 threads) 2005-04-01 to 2005-07-01 (2493 threads) 2005-01-01 to 2005-04-01 (2214 threads) 2004-10-01 to 2005-01-01 (1888 threads) 2004-07-01 to 2004-10-01 (2216 threads) 2004-04-01 to 2004-07-01 (2408 threads) 2004-01-01 to 2004-04-01 (2347 threads) 2003-10-01 to 2004-01-01 (2134 threads) 2003-07-01 to 2003-10-01 (1816 threads) 2003-04-01 to 2003-07-01 (1382 threads) 2003-01-01 to 2003-04-01 (1201 threads) 2002-10-01 to 2003-01-01 (848 threads) 2002-07-01 to 2002-10-01 (812 threads) 2002-04-01 to 2002-07-01 (662 threads) 2002-01-01 to 2002-04-01 (580 threads) 2001-10-01 to 2002-01-01 (360 threads) 2001-07-01 to 2001-10-01 (225 threads) 2001-04-01 to 2001-07-01 (124 threads)