Year	Number of Firms
1992-01-01	28
1997-01-01	49
2002-01-01	81
2003-01-01	74
2004-01-01	64
2005-01-01	81
2006-01-01	88
2007-01-01	94
2008-01-01	94
2009-01-01	75
2010-01-01	82
2011-01-01	86
2012-01-01	70
2013-01-01	67
2014-01-01	74
2015-01-01	72
2016-01-01	77