Year Number of Firms 1992-01-01 59 1997-01-01 74 2002-01-01 67 2003-01-01 58 2004-01-01 60 2005-01-01 50 2006-01-01 64 2007-01-01 83 2008-01-01 80 2009-01-01 80 2010-01-01 86 2011-01-01 84 2012-01-01 80 2013-01-01 93 2014-01-01 96 2015-01-01 88 2016-01-01 83