Year Number of Firms 1992-01-01 41 1997-01-01 77 2002-01-01 119 2003-01-01 126 2004-01-01 144 2005-01-01 157 2006-01-01 156 2007-01-01 161 2008-01-01 186 2009-01-01 193 2010-01-01 198 2011-01-01 197 2012-01-01 208 2013-01-01 211 2014-01-01 202 2015-01-01 238 2016-01-01 255