Year Number of Firms 1992-01-01 29 1997-01-01 42 2002-01-01 68 2003-01-01 69 2004-01-01 66 2005-01-01 54 2006-01-01 65 2007-01-01 55 2008-01-01 61 2009-01-01 97 2010-01-01 97 2011-01-01 99 2012-01-01 95 2013-01-01 87 2014-01-01 83 2015-01-01 90 2016-01-01 89