Year	Number of Firms
1992-01-01	342
1997-01-01	464
2002-01-01	482
2003-01-01	460
2004-01-01	518
2005-01-01	568
2006-01-01	558
2007-01-01	626
2008-01-01	646
2009-01-01	622
2010-01-01	641
2011-01-01	724
2012-01-01	666
2013-01-01	678
2014-01-01	710
2015-01-01	687
2016-01-01	670