Year Number of Firms 1997-01-01 31 2002-01-01 34 2003-01-01 49 2004-01-01 47 2005-01-01 53 2006-01-01 67 2007-01-01 73 2008-01-01 83 2009-01-01 74 2010-01-01 79 2011-01-01 91 2012-01-01 94 2013-01-01 93 2014-01-01 102 2015-01-01 98 2016-01-01 114