Year	Number of Firms
1992-01-01	64
1997-01-01	63
2002-01-01	72
2003-01-01	64
2004-01-01	60
2005-01-01	61
2006-01-01	50
2007-01-01	61
2008-01-01	74
2009-01-01	76
2010-01-01	72
2011-01-01	78
2012-01-01	68
2013-01-01	65
2014-01-01	60
2015-01-01	49
2016-01-01	65