Year Number of Firms 1992-01-01 956 1997-01-01 922 2002-01-01 1270 2003-01-01 1216 2004-01-01 1312 2005-01-01 1319 2006-01-01 1321 2007-01-01 1377 2008-01-01 1497 2009-01-01 1319 2010-01-01 1282 2011-01-01 1430 2012-01-01 1293 2013-01-01 1325 2014-01-01 1247 2015-01-01 1242 2016-01-01 1221