From April 1, 2006 to March 31, 2007 there were 296 compliant ratings issued, and 7 non-compliant ratings issued.
From April 1, 2007 to March 31, 2008 there were 374 compliant ratings issued, and 9 non-compliant ratings issued.
From April 1, 2008 to March 31, 2009 there were 437 compliant ratings issued, and 10 non-compliant ratings issued.
From April 1, 2009 to March 31, 2010 there were 379 compliant ratings issued, and 14 non-compliant ratings issued.
From April 1, 2010 to March 31, 2011 there were 415 compliant ratings issued, and 25 non-compliant ratings issued.