Year Number of Firms 1992-01-01 16 1997-01-01 38 2002-01-01 35 2003-01-01 43 2004-01-01 46 2005-01-01 42 2006-01-01 42 2007-01-01 52 2008-01-01 64 2009-01-01 62 2010-01-01 84 2011-01-01 100 2012-01-01 87 2013-01-01 85 2014-01-01 87 2015-01-01 75 2016-01-01 73