Year	Number of Firms
1992-01-01	264
1997-01-01	492
2002-01-01	545
2003-01-01	521
2004-01-01	523
2005-01-01	540
2006-01-01	495
2007-01-01	580
2008-01-01	638
2009-01-01	670
2010-01-01	701
2011-01-01	727
2012-01-01	712
2013-01-01	762
2014-01-01	763
2015-01-01	738
2016-01-01	733