Year	Number of Firms
1992-01-01	419
1997-01-01	519
2002-01-01	607
2003-01-01	607
2004-01-01	606
2005-01-01	570
2006-01-01	578
2007-01-01	649
2008-01-01	709
2009-01-01	645
2010-01-01	642
2011-01-01	632
2012-01-01	647
2013-01-01	614
2014-01-01	659
2015-01-01	653
2016-01-01	684