Year Number of Firms 1992-01-01 22 1997-01-01 42 2002-01-01 61 2003-01-01 60 2004-01-01 71 2005-01-01 71 2006-01-01 75 2007-01-01 79 2008-01-01 78 2009-01-01 71 2010-01-01 83 2011-01-01 69 2012-01-01 79 2013-01-01 70 2014-01-01 82 2015-01-01 75 2016-01-01 106