Year Number of Firms 1992-01-01 83 1997-01-01 135 2002-01-01 111 2003-01-01 108 2004-01-01 108 2005-01-01 105 2006-01-01 108 2007-01-01 113 2008-01-01 122 2009-01-01 124 2010-01-01 131 2011-01-01 129 2012-01-01 148 2013-01-01 138 2014-01-01 161 2015-01-01 175 2016-01-01 213