Year Number of Firms 1992-01-01 1133 1997-01-01 1581 2002-01-01 1837 2003-01-01 1857 2004-01-01 1801 2005-01-01 1732 2006-01-01 1703 2007-01-01 1835 2008-01-01 1835 2009-01-01 1721 2010-01-01 1793 2011-01-01 1902 2012-01-01 1925 2013-01-01 1856 2014-01-01 1872 2015-01-01 1822 2016-01-01 1817