Year	Number of Firms
1992-01-01	16
1997-01-01	38
2002-01-01	26
2003-01-01	30
2004-01-01	35
2005-01-01	41
2006-01-01	41
2007-01-01	45
2008-01-01	56
2009-01-01	65
2010-01-01	73
2011-01-01	77
2012-01-01	73
2013-01-01	77
2014-01-01	79
2015-01-01	77
2016-01-01	70