Year Number of Firms 1992-01-01 1 1997-01-01 11 2002-01-01 16 2003-01-01 12 2004-01-01 18 2005-01-01 13 2006-01-01 26 2007-01-01 32 2008-01-01 23 2009-01-01 18 2010-01-01 30 2011-01-01 26 2012-01-01 33 2013-01-01 29 2014-01-01 21 2015-01-01 31 2016-01-01 29