Year Number of Firms 1992-01-01 16 1997-01-01 32 2002-01-01 31 2003-01-01 36 2004-01-01 35 2005-01-01 38 2006-01-01 43 2007-01-01 45 2008-01-01 54 2009-01-01 59 2010-01-01 55 2011-01-01 70 2012-01-01 57 2013-01-01 75 2014-01-01 58 2015-01-01 57 2016-01-01 62