Year	Number of Firms
1992-01-01	41
1997-01-01	42
2002-01-01	56
2003-01-01	52
2004-01-01	67
2005-01-01	60
2006-01-01	66
2007-01-01	56
2008-01-01	65
2009-01-01	68
2010-01-01	81
2011-01-01	59
2012-01-01	63
2013-01-01	79
2014-01-01	67
2015-01-01	66
2016-01-01	74