Year Number of Firms 1992-01-01 6 1997-01-01 11 2002-01-01 15 2003-01-01 19 2004-01-01 15 2005-01-01 26 2006-01-01 25 2007-01-01 45 2008-01-01 43 2009-01-01 46 2010-01-01 41 2011-01-01 53 2012-01-01 46 2013-01-01 51 2014-01-01 71 2015-01-01 79 2016-01-01 61