Year Number of Firms 1992-01-01 43 1997-01-01 89 2002-01-01 104 2003-01-01 105 2004-01-01 123 2005-01-01 123 2006-01-01 127 2007-01-01 144 2008-01-01 143 2009-01-01 143 2010-01-01 162 2011-01-01 179 2012-01-01 157 2013-01-01 157 2014-01-01 146 2015-01-01 148 2016-01-01 138