Year Number of Firms 1992-01-01 9 1997-01-01 8 2002-01-01 18 2003-01-01 17 2004-01-01 24 2005-01-01 26 2006-01-01 21 2007-01-01 44 2008-01-01 43 2009-01-01 44 2010-01-01 44 2011-01-01 56 2012-01-01 49 2013-01-01 64 2014-01-01 53 2015-01-01 50 2016-01-01 39