Year	Number of Firms
1992-01-01	2839
1997-01-01	5660
2002-01-01	5148
2003-01-01	5031
2004-01-01	4521
2005-01-01	4538
2006-01-01	4935
2007-01-01	5431
2008-01-01	5692
2009-01-01	5162
2010-01-01	5525
2011-01-01	5680
2012-01-01	5588
2013-01-01	5677
2014-01-01	5478
2015-01-01	5291
2016-01-01	5108