Year Number of Firms 1992-01-01 12 1997-01-01 11 2002-01-01 24 2003-01-01 17 2004-01-01 14 2005-01-01 20 2006-01-01 23 2007-01-01 32 2008-01-01 26 2009-01-01 36 2010-01-01 31 2011-01-01 31 2012-01-01 40 2013-01-01 41 2014-01-01 43 2015-01-01 48 2016-01-01 44