Year	Number of Firms
1992-01-01	308
1997-01-01	477
2002-01-01	449
2003-01-01	457
2004-01-01	476
2005-01-01	494
2006-01-01	552
2007-01-01	569
2008-01-01	639
2009-01-01	631
2010-01-01	702
2011-01-01	712
2012-01-01	762
2013-01-01	751
2014-01-01	755
2015-01-01	729
2016-01-01	718