Year	Number of Firms
1992-01-01	29
1997-01-01	42
2002-01-01	68
2003-01-01	69
2004-01-01	66
2005-01-01	54
2006-01-01	65
2007-01-01	55
2008-01-01	61
2009-01-01	97
2010-01-01	97
2011-01-01	99
2012-01-01	95
2013-01-01	87
2014-01-01	83
2015-01-01	90
2016-01-01	89
