Year Number of Firms 1997-01-01 16 2002-01-01 25 2003-01-01 33 2004-01-01 43 2005-01-01 40 2006-01-01 58 2007-01-01 61 2008-01-01 54 2009-01-01 62 2010-01-01 78 2011-01-01 70 2012-01-01 70 2013-01-01 93 2014-01-01 87 2015-01-01 89 2016-01-01 83