Year	Number of Firms
1992-01-01	42
1997-01-01	69
2002-01-01	63
2003-01-01	63
2004-01-01	64
2005-01-01	78
2006-01-01	71
2007-01-01	79
2008-01-01	90
2009-01-01	82
2010-01-01	81
2011-01-01	90
2012-01-01	99
2013-01-01	81
2014-01-01	84
2015-01-01	82
2016-01-01	85