Year	Number of Firms
1992-01-01	2777
1997-01-01	3168
2002-01-01	3463
2003-01-01	3581
2004-01-01	3653
2005-01-01	3636
2006-01-01	3540
2007-01-01	3798
2008-01-01	4024
2009-01-01	3874
2010-01-01	3876
2011-01-01	3892
2012-01-01	3577
2013-01-01	3635
2014-01-01	3601
2015-01-01	3462
2016-01-01	3549