Year Number of Firms 1992-01-01 43 1997-01-01 89 2002-01-01 86 2003-01-01 110 2004-01-01 133 2005-01-01 137 2006-01-01 128 2007-01-01 151 2008-01-01 147 2009-01-01 162 2010-01-01 183 2011-01-01 232 2012-01-01 228 2013-01-01 228 2014-01-01 237 2015-01-01 242 2016-01-01 212