Year	Number of Firms
1992-01-01	4261
1997-01-01	7415
2002-01-01	5996
2003-01-01	5814
2004-01-01	5452
2005-01-01	5339
2006-01-01	5714
2007-01-01	6294
2008-01-01	6301
2009-01-01	5859
2010-01-01	6174
2011-01-01	6351
2012-01-01	6252
2013-01-01	6140
2014-01-01	5997
2015-01-01	5878
2016-01-01	5678
