Year	Number of Firms
1992-01-01	38
1997-01-01	44
2002-01-01	61
2003-01-01	54
2004-01-01	55
2005-01-01	59
2006-01-01	64
2007-01-01	71
2008-01-01	61
2009-01-01	56
2010-01-01	55
2011-01-01	65
2012-01-01	48
2013-01-01	57
2014-01-01	63
2015-01-01	57
2016-01-01	60