Year	Number of Firms
1992-01-01	30
1997-01-01	53
2002-01-01	38
2003-01-01	42
2004-01-01	36
2005-01-01	41
2006-01-01	41
2007-01-01	45
2008-01-01	55
2009-01-01	52
2010-01-01	51
2011-01-01	63
2012-01-01	64
2013-01-01	71
2014-01-01	63
2015-01-01	57
2016-01-01	65