Year Number of Firms 1992-01-01 14 1997-01-01 18 2002-01-01 25 2003-01-01 26 2004-01-01 20 2005-01-01 33 2006-01-01 21 2007-01-01 37 2008-01-01 39 2009-01-01 46 2010-01-01 62 2011-01-01 57 2012-01-01 59 2013-01-01 57 2014-01-01 65 2015-01-01 62 2016-01-01 53