Year Number of Firms 1992-01-01 14 1997-01-01 21 2002-01-01 43 2003-01-01 55 2004-01-01 59 2005-01-01 88 2006-01-01 114 2007-01-01 129 2008-01-01 198 2009-01-01 136 2010-01-01 130 2011-01-01 113 2012-01-01 130 2013-01-01 141 2014-01-01 130 2015-01-01 140 2016-01-01 146