Year Number of Firms 1992-01-01 28 1997-01-01 49 2002-01-01 51 2003-01-01 49 2004-01-01 70 2005-01-01 67 2006-01-01 79 2007-01-01 98 2008-01-01 108 2009-01-01 90 2010-01-01 99 2011-01-01 130 2012-01-01 143 2013-01-01 144 2014-01-01 132 2015-01-01 105 2016-01-01 104