Year	Number of Firms
1992-01-01	30
1997-01-01	36
2002-01-01	39
2003-01-01	37
2004-01-01	47
2005-01-01	56
2006-01-01	57
2007-01-01	63
2008-01-01	69
2009-01-01	58
2010-01-01	64
2011-01-01	54
2012-01-01	55
2013-01-01	54
2014-01-01	54
2015-01-01	58
2016-01-01	50