Year Number of Firms 1992-01-01 26 1997-01-01 38 2002-01-01 42 2003-01-01 50 2004-01-01 46 2005-01-01 54 2006-01-01 59 2007-01-01 65 2008-01-01 64 2009-01-01 52 2010-01-01 63 2011-01-01 70 2012-01-01 68 2013-01-01 74 2014-01-01 77 2015-01-01 68 2016-01-01 83