Year	Number of Firms
1992-01-01	1608
1997-01-01	2335
2002-01-01	2336
2003-01-01	2382
2004-01-01	2437
2005-01-01	2468
2006-01-01	2630
2007-01-01	2909
2008-01-01	3016
2009-01-01	2854
2010-01-01	2938
2011-01-01	3181
2012-01-01	3248
2013-01-01	3163
2014-01-01	3299
2015-01-01	3103
2016-01-01	2993