Year Number of Firms 1992-01-01 27 1997-01-01 38 2002-01-01 49 2003-01-01 52 2004-01-01 53 2005-01-01 65 2006-01-01 56 2007-01-01 64 2008-01-01 61 2009-01-01 74 2010-01-01 67 2011-01-01 62 2012-01-01 69 2013-01-01 62 2014-01-01 71 2015-01-01 74 2016-01-01 66