Year	Number of Firms
1992-01-01	48
1997-01-01	54
2002-01-01	48
2003-01-01	54
2004-01-01	56
2005-01-01	68
2006-01-01	55
2007-01-01	54
2008-01-01	63
2009-01-01	63
2010-01-01	60
2011-01-01	56
2012-01-01	48
2013-01-01	55
2014-01-01	67
2015-01-01	64
2016-01-01	62