Year Number of Firms 1992-01-01 18 1997-01-01 26 2002-01-01 30 2003-01-01 25 2004-01-01 20 2005-01-01 39 2006-01-01 44 2007-01-01 51 2008-01-01 45 2009-01-01 55 2010-01-01 67 2011-01-01 71 2012-01-01 67 2013-01-01 67 2014-01-01 65 2015-01-01 95 2016-01-01 89