Year Number of Firms 2002-01-01 2 2003-01-01 8 2004-01-01 6 2005-01-01 8 2006-01-01 10 2007-01-01 10 2008-01-01 12 2009-01-01 19 2010-01-01 22 2011-01-01 19 2012-01-01 24 2013-01-01 21 2014-01-01 37 2015-01-01 22 2016-01-01 17