Year Number of Firms 1992-01-01 11 1997-01-01 8 2002-01-01 10 2003-01-01 12 2004-01-01 6 2005-01-01 12 2006-01-01 19 2007-01-01 27 2008-01-01 29 2009-01-01 19 2010-01-01 30 2011-01-01 33 2012-01-01 40 2013-01-01 41 2014-01-01 54 2015-01-01 44 2016-01-01 50