Year	Number of Firms
1992-01-01	53
1997-01-01	62
2002-01-01	66
2003-01-01	60
2004-01-01	66
2005-01-01	71
2006-01-01	79
2007-01-01	56
2008-01-01	66
2009-01-01	59
2010-01-01	71
2011-01-01	62
2012-01-01	60
2013-01-01	71
2014-01-01	75
2015-01-01	54
2016-01-01	64