Year Number of Firms 1992-01-01 19 1997-01-01 38 2002-01-01 34 2003-01-01 43 2004-01-01 35 2005-01-01 49 2006-01-01 56 2007-01-01 56 2008-01-01 68 2009-01-01 55 2010-01-01 69 2011-01-01 88 2012-01-01 76 2013-01-01 85 2014-01-01 80 2015-01-01 66 2016-01-01 68