Year Number of Firms 1992-01-01 31 1997-01-01 48 2002-01-01 63 2003-01-01 66 2004-01-01 75 2005-01-01 85 2006-01-01 71 2007-01-01 96 2008-01-01 79 2009-01-01 69 2010-01-01 86 2011-01-01 99 2012-01-01 87 2013-01-01 92 2014-01-01 95 2015-01-01 101 2016-01-01 100