Year	Number of Firms
1992-01-01	315
1997-01-01	529
2002-01-01	494
2003-01-01	473
2004-01-01	512
2005-01-01	517
2006-01-01	532
2007-01-01	532
2008-01-01	576
2009-01-01	546
2010-01-01	624
2011-01-01	654
2012-01-01	663
2013-01-01	632
2014-01-01	634
2015-01-01	608
2016-01-01	564