Year Number of Firms 1992-01-01 1 1997-01-01 10 2002-01-01 17 2003-01-01 24 2004-01-01 31 2005-01-01 34 2006-01-01 54 2007-01-01 79 2008-01-01 85 2009-01-01 70 2010-01-01 91 2011-01-01 98 2012-01-01 86 2013-01-01 88 2014-01-01 70 2015-01-01 53 2016-01-01 46