Year Number of Firms 1992-01-01 23 1997-01-01 37 2002-01-01 43 2003-01-01 50 2004-01-01 54 2005-01-01 63 2006-01-01 67 2007-01-01 80 2008-01-01 84 2009-01-01 86 2010-01-01 99 2011-01-01 94 2012-01-01 98 2013-01-01 107 2014-01-01 91 2015-01-01 98 2016-01-01 101