Year Number of Firms 1992-01-01 11 1997-01-01 20 2002-01-01 18 2003-01-01 20 2004-01-01 21 2005-01-01 31 2006-01-01 29 2007-01-01 41 2008-01-01 36 2009-01-01 46 2010-01-01 38 2011-01-01 43 2012-01-01 50 2013-01-01 62 2014-01-01 81 2015-01-01 71 2016-01-01 86