Year	Number of Firms
1992-01-01	337
1997-01-01	542
2002-01-01	507
2003-01-01	539
2004-01-01	513
2005-01-01	540
2006-01-01	583
2007-01-01	606
2008-01-01	636
2009-01-01	660
2010-01-01	687
2011-01-01	755
2012-01-01	776
2013-01-01	755
2014-01-01	750
2015-01-01	720
2016-01-01	776