Year	Number of Firms
1992-01-01	39
1997-01-01	61
2002-01-01	53
2003-01-01	54
2004-01-01	55
2005-01-01	72
2006-01-01	57
2007-01-01	67
2008-01-01	81
2009-01-01	81
2010-01-01	86
2011-01-01	91
2012-01-01	98
2013-01-01	91
2014-01-01	93
2015-01-01	84
2016-01-01	87