Year Number of Firms 1992-01-01 22 1997-01-01 26 2002-01-01 31 2003-01-01 35 2004-01-01 24 2005-01-01 30 2006-01-01 35 2007-01-01 42 2008-01-01 48 2009-01-01 38 2010-01-01 46 2011-01-01 58 2012-01-01 59 2013-01-01 58 2014-01-01 62 2015-01-01 56 2016-01-01 48