Year	Number of Firms
1992-01-01	24
1997-01-01	47
2002-01-01	34
2003-01-01	32
2004-01-01	35
2005-01-01	44
2006-01-01	33
2007-01-01	39
2008-01-01	47
2009-01-01	50
2010-01-01	63
2011-01-01	65
2012-01-01	75
2013-01-01	65
2014-01-01	74
2015-01-01	71
2016-01-01	65