Year Number of Firms 1992-01-01 44 1997-01-01 108 2002-01-01 111 2003-01-01 128 2004-01-01 122 2005-01-01 141 2006-01-01 164 2007-01-01 161 2008-01-01 170 2009-01-01 170 2010-01-01 171 2011-01-01 197 2012-01-01 194 2013-01-01 173 2014-01-01 176 2015-01-01 179 2016-01-01 169