Year Number of Firms 1992-01-01 244 1997-01-01 530 2002-01-01 989 2003-01-01 1159 2004-01-01 1325 2005-01-01 1594 2006-01-01 1762 2007-01-01 1962 2008-01-01 2004 2009-01-01 2056 2010-01-01 2254 2011-01-01 2408 2012-01-01 2382 2013-01-01 2444 2014-01-01 2505 2015-01-01 2480 2016-01-01 2417