Year Number of Firms 1992-01-01 12 1997-01-01 26 2002-01-01 31 2003-01-01 22 2004-01-01 30 2005-01-01 19 2006-01-01 22 2007-01-01 21 2008-01-01 37 2009-01-01 36 2010-01-01 40 2011-01-01 39 2012-01-01 36 2013-01-01 42 2014-01-01 54 2015-01-01 33 2016-01-01 41