Year	Number of Firms
1992-01-01	21
1997-01-01	55
2002-01-01	53
2003-01-01	54
2004-01-01	65
2005-01-01	76
2006-01-01	68
2007-01-01	74
2008-01-01	72
2009-01-01	62
2010-01-01	75
2011-01-01	66
2012-01-01	64
2013-01-01	78
2014-01-01	72
2015-01-01	67
2016-01-01	61