Year Number of Firms 1992-01-01 13 1997-01-01 26 2002-01-01 34 2003-01-01 37 2004-01-01 46 2005-01-01 42 2006-01-01 45 2007-01-01 47 2008-01-01 63 2009-01-01 52 2010-01-01 64 2011-01-01 68 2012-01-01 63 2013-01-01 71 2014-01-01 78 2015-01-01 73 2016-01-01 78