Year Number of Firms 1992-01-01 33 1997-01-01 81 2002-01-01 73 2003-01-01 63 2004-01-01 68 2005-01-01 72 2006-01-01 94 2007-01-01 98 2008-01-01 140 2009-01-01 116 2010-01-01 163 2011-01-01 136 2012-01-01 108 2013-01-01 102 2014-01-01 122 2015-01-01 97 2016-01-01 93