Year Number of Firms 1992-01-01 25 1997-01-01 40 2002-01-01 37 2003-01-01 46 2004-01-01 43 2005-01-01 45 2006-01-01 52 2007-01-01 53 2008-01-01 59 2009-01-01 47 2010-01-01 45 2011-01-01 55 2012-01-01 49 2013-01-01 65 2014-01-01 56 2015-01-01 57 2016-01-01 44