Year Number of Firms 1992-01-01 8 1997-01-01 21 2002-01-01 29 2003-01-01 48 2004-01-01 42 2005-01-01 43 2006-01-01 50 2007-01-01 66 2008-01-01 70 2009-01-01 68 2010-01-01 65 2011-01-01 83 2012-01-01 62 2013-01-01 57 2014-01-01 69 2015-01-01 71 2016-01-01 39