Year Number of Firms 1992-01-01 11 1997-01-01 14 2002-01-01 14 2003-01-01 16 2004-01-01 18 2005-01-01 15 2006-01-01 21 2007-01-01 21 2008-01-01 29 2009-01-01 32 2010-01-01 28 2011-01-01 41 2012-01-01 45 2013-01-01 47 2014-01-01 54 2015-01-01 62 2016-01-01 50