Year	Number of Firms
1992-01-01	4037
1997-01-01	6697
2002-01-01	6246
2003-01-01	6394
2004-01-01	6412
2005-01-01	6454
2006-01-01	6894
2007-01-01	7617
2008-01-01	8146
2009-01-01	7721
2010-01-01	8279
2011-01-01	8556
2012-01-01	8689
2013-01-01	8610
2014-01-01	8657
2015-01-01	8290
2016-01-01	8116