Year Number of Firms 1992-01-01 27 1997-01-01 51 2002-01-01 104 2003-01-01 116 2004-01-01 124 2005-01-01 135 2006-01-01 164 2007-01-01 180 2008-01-01 192 2009-01-01 189 2010-01-01 203 2011-01-01 231 2012-01-01 209 2013-01-01 222 2014-01-01 219 2015-01-01 234 2016-01-01 198