Year Number of Firms 1992-01-01 1623 1997-01-01 1704 2002-01-01 2006 2003-01-01 2026 2004-01-01 1964 2005-01-01 1998 2006-01-01 1977 2007-01-01 2227 2008-01-01 2455 2009-01-01 2262 2010-01-01 2208 2011-01-01 2290 2012-01-01 2253 2013-01-01 2179 2014-01-01 2183 2015-01-01 2193 2016-01-01 2159