Year	Number of Firms
1992-01-01	1
1997-01-01	25
2002-01-01	70
2003-01-01	69
2004-01-01	81
2005-01-01	119
2006-01-01	114
2007-01-01	141
2008-01-01	225
2009-01-01	219
2010-01-01	186
2011-01-01	207
2012-01-01	225
2013-01-01	291
2014-01-01	356
2015-01-01	220
2016-01-01	174