Year	Number of Firms
1992-01-01	53
1997-01-01	42
2002-01-01	48
2003-01-01	67
2004-01-01	57
2005-01-01	58
2006-01-01	49
2007-01-01	62
2008-01-01	60
2009-01-01	58
2010-01-01	57
2011-01-01	52
2012-01-01	57
2013-01-01	54
2014-01-01	75
2015-01-01	64
2016-01-01	55