Year Number of Firms 1992-01-01 44 1997-01-01 58 2002-01-01 92 2003-01-01 85 2004-01-01 103 2005-01-01 113 2006-01-01 101 2007-01-01 101 2008-01-01 113 2009-01-01 109 2010-01-01 137 2011-01-01 142 2012-01-01 147 2013-01-01 143 2014-01-01 151 2015-01-01 150 2016-01-01 154