Year	Number of Firms
1992-01-01	42
1997-01-01	58
2002-01-01	71
2003-01-01	60
2004-01-01	68
2005-01-01	65
2006-01-01	53
2007-01-01	64
2008-01-01	85
2009-01-01	53
2010-01-01	54
2011-01-01	49
2012-01-01	49
2013-01-01	42
2014-01-01	46
2015-01-01	42
2016-01-01	41