Year	Number of Firms
1992-01-01	494
1997-01-01	708
2002-01-01	665
2003-01-01	661
2004-01-01	642
2005-01-01	644
2006-01-01	632
2007-01-01	650
2008-01-01	642
2009-01-01	586
2010-01-01	659
2011-01-01	674
2012-01-01	700
2013-01-01	705
2014-01-01	713
2015-01-01	727
2016-01-01	663