Year Number of Firms 1992-01-01 104 1997-01-01 62 2002-01-01 81 2003-01-01 88 2004-01-01 90 2005-01-01 93 2006-01-01 86 2007-01-01 96 2008-01-01 84 2009-01-01 73 2010-01-01 70 2011-01-01 83 2012-01-01 68 2013-01-01 64 2014-01-01 63 2015-01-01 67 2016-01-01 65