Year	Number of Firms
1992-01-01	370
1997-01-01	661
2002-01-01	330
2003-01-01	441
2004-01-01	523
2005-01-01	545
2006-01-01	580
2007-01-01	661
2008-01-01	716
2009-01-01	638
2010-01-01	684
2011-01-01	719
2012-01-01	657
2013-01-01	641
2014-01-01	620
2015-01-01	582
2016-01-01	626