Year	Number of Firms
1992-01-01	1659
1997-01-01	2589
2002-01-01	3305
2003-01-01	3216
2004-01-01	3331
2005-01-01	3327
2006-01-01	3407
2007-01-01	3817
2008-01-01	3899
2009-01-01	3724
2010-01-01	3624
2011-01-01	3758
2012-01-01	3717
2013-01-01	3737
2014-01-01	3759
2015-01-01	3718
2016-01-01	3518