Year	Number of Firms
1992-01-01	28
1997-01-01	42
2002-01-01	49
2003-01-01	51
2004-01-01	57
2005-01-01	73
2006-01-01	67
2007-01-01	59
2008-01-01	76
2009-01-01	65
2010-01-01	69
2011-01-01	64
2012-01-01	68
2013-01-01	63
2014-01-01	75
2015-01-01	56
2016-01-01	67