Year	Number of Firms
1992-01-01	73
1997-01-01	63
2002-01-01	62
2003-01-01	63
2004-01-01	60
2005-01-01	76
2006-01-01	92
2007-01-01	86
2008-01-01	78
2009-01-01	70
2010-01-01	64
2011-01-01	74
2012-01-01	63
2013-01-01	59
2014-01-01	74
2015-01-01	75
2016-01-01	60