Year Number of Firms 1992-01-01 1 1997-01-01 19 2002-01-01 33 2003-01-01 32 2004-01-01 34 2005-01-01 45 2006-01-01 54 2007-01-01 52 2008-01-01 64 2009-01-01 48 2010-01-01 46 2011-01-01 53 2012-01-01 65 2013-01-01 88 2014-01-01 74 2015-01-01 61 2016-01-01 61