Year	Number of Firms
1992-01-01	411
1997-01-01	534
2002-01-01	585
2003-01-01	620
2004-01-01	614
2005-01-01	620
2006-01-01	615
2007-01-01	698
2008-01-01	709
2009-01-01	672
2010-01-01	687
2011-01-01	696
2012-01-01	631
2013-01-01	653
2014-01-01	650
2015-01-01	666
2016-01-01	666