Year	Number of Firms
1992-01-01	40
1997-01-01	65
2002-01-01	68
2003-01-01	70
2004-01-01	60
2005-01-01	63
2006-01-01	65
2007-01-01	74
2008-01-01	60
2009-01-01	66
2010-01-01	68
2011-01-01	62
2012-01-01	61
2013-01-01	53
2014-01-01	67
2015-01-01	62
2016-01-01	59