Year Number of Firms 1992-01-01 87 1997-01-01 130 2002-01-01 133 2003-01-01 162 2004-01-01 175 2005-01-01 213 2006-01-01 192 2007-01-01 182 2008-01-01 205 2009-01-01 189 2010-01-01 199 2011-01-01 187 2012-01-01 190 2013-01-01 212 2014-01-01 220 2015-01-01 205 2016-01-01 217