Year Number of Firms 1992-01-01 1 1997-01-01 3 2002-01-01 8 2003-01-01 5 2004-01-01 7 2005-01-01 15 2006-01-01 8 2007-01-01 16 2008-01-01 22 2009-01-01 16 2010-01-01 18 2011-01-01 22 2012-01-01 30 2013-01-01 20 2014-01-01 30 2015-01-01 40 2016-01-01 45