Year Number of Firms 1992-01-01 11 1997-01-01 29 2002-01-01 32 2003-01-01 34 2004-01-01 38 2005-01-01 38 2006-01-01 40 2007-01-01 45 2008-01-01 36 2009-01-01 47 2010-01-01 43 2011-01-01 60 2012-01-01 43 2013-01-01 63 2014-01-01 55 2015-01-01 54 2016-01-01 63