Year Number of Firms 1992-01-01 10 1997-01-01 39 2002-01-01 24 2003-01-01 19 2004-01-01 29 2005-01-01 18 2006-01-01 23 2007-01-01 22 2008-01-01 23 2009-01-01 20 2010-01-01 38 2011-01-01 56 2012-01-01 38 2013-01-01 42 2014-01-01 39 2015-01-01 29 2016-01-01 35