Year	Number of Firms
1992-01-01	22
1997-01-01	41
2002-01-01	44
2003-01-01	32
2004-01-01	42
2005-01-01	55
2006-01-01	54
2007-01-01	50
2008-01-01	75
2009-01-01	62
2010-01-01	62
2011-01-01	74
2012-01-01	73
2013-01-01	88
2014-01-01	75
2015-01-01	72
2016-01-01	91