Year	Number of Firms
1992-01-01	23
1997-01-01	42
2002-01-01	52
2003-01-01	54
2004-01-01	45
2005-01-01	60
2006-01-01	54
2007-01-01	76
2008-01-01	63
2009-01-01	69
2010-01-01	69
2011-01-01	72
2012-01-01	65
2013-01-01	68
2014-01-01	78
2015-01-01	71
2016-01-01	69