Year Number of Firms 1992-01-01 115 1997-01-01 110 2002-01-01 142 2003-01-01 125 2004-01-01 150 2005-01-01 152 2006-01-01 158 2007-01-01 160 2008-01-01 204 2009-01-01 160 2010-01-01 188 2011-01-01 198 2012-01-01 220 2013-01-01 209 2014-01-01 204 2015-01-01 190 2016-01-01 189