Year Number of Firms 1992-01-01 22 1997-01-01 25 2002-01-01 35 2003-01-01 22 2004-01-01 30 2005-01-01 30 2006-01-01 45 2007-01-01 44 2008-01-01 48 2009-01-01 53 2010-01-01 40 2011-01-01 36 2012-01-01 49 2013-01-01 61 2014-01-01 61 2015-01-01 63 2016-01-01 79