Year	Number of Firms
1992-01-01	54
1997-01-01	68
2002-01-01	57
2003-01-01	55
2004-01-01	65
2005-01-01	71
2006-01-01	62
2007-01-01	82
2008-01-01	81
2009-01-01	77
2010-01-01	80
2011-01-01	79
2012-01-01	76
2013-01-01	65
2014-01-01	70
2015-01-01	62
2016-01-01	59