Year Number of Firms 1992-01-01 26 1997-01-01 36 2002-01-01 26 2003-01-01 27 2004-01-01 31 2005-01-01 36 2006-01-01 46 2007-01-01 49 2008-01-01 68 2009-01-01 63 2010-01-01 74 2011-01-01 84 2012-01-01 69 2013-01-01 60 2014-01-01 82 2015-01-01 79 2016-01-01 68