Year Number of Firms 1992-01-01 30 1997-01-01 47 2002-01-01 59 2003-01-01 67 2004-01-01 65 2005-01-01 68 2006-01-01 74 2007-01-01 87 2008-01-01 96 2009-01-01 106 2010-01-01 114 2011-01-01 143 2012-01-01 140 2013-01-01 136 2014-01-01 140 2015-01-01 131 2016-01-01 129