Year	Number of Firms
1992-01-01	58
1997-01-01	77
2002-01-01	82
2003-01-01	74
2004-01-01	82
2005-01-01	83
2006-01-01	80
2007-01-01	77
2008-01-01	74
2009-01-01	80
2010-01-01	62
2011-01-01	68
2012-01-01	68
2013-01-01	58
2014-01-01	59
2015-01-01	72
2016-01-01	59