Year	Number of Firms
1992-01-01	742
1997-01-01	1289
2002-01-01	1706
2003-01-01	1952
2004-01-01	2064
2005-01-01	2153
2006-01-01	2501
2007-01-01	2865
2008-01-01	3248
2009-01-01	2884
2010-01-01	2925
2011-01-01	3137
2012-01-01	3163
2013-01-01	3156
2014-01-01	2996
2015-01-01	3225
2016-01-01	3860