Year Number of Firms 1992-01-01 13 1997-01-01 14 2002-01-01 17 2003-01-01 15 2004-01-01 24 2005-01-01 32 2006-01-01 38 2007-01-01 35 2008-01-01 63 2009-01-01 62 2010-01-01 52 2011-01-01 54 2012-01-01 58 2013-01-01 61 2014-01-01 54 2015-01-01 55 2016-01-01 44