Year Number of Firms 1992-01-01 13 1997-01-01 31 2002-01-01 31 2003-01-01 25 2004-01-01 43 2005-01-01 50 2006-01-01 62 2007-01-01 73 2008-01-01 88 2009-01-01 68 2010-01-01 75 2011-01-01 74 2012-01-01 78 2013-01-01 99 2014-01-01 95 2015-01-01 66 2016-01-01 66