Year Number of Firms 1992-01-01 56 1997-01-01 86 2002-01-01 107 2003-01-01 112 2004-01-01 135 2005-01-01 152 2006-01-01 147 2007-01-01 160 2008-01-01 171 2009-01-01 181 2010-01-01 147 2011-01-01 189 2012-01-01 204 2013-01-01 198 2014-01-01 203 2015-01-01 203 2016-01-01 202