Year	Number of Firms
1992-01-01	39
1997-01-01	51
2002-01-01	48
2003-01-01	55
2004-01-01	47
2005-01-01	49
2006-01-01	47
2007-01-01	59
2008-01-01	64
2009-01-01	50
2010-01-01	62
2011-01-01	77
2012-01-01	74
2013-01-01	63
2014-01-01	71
2015-01-01	72
2016-01-01	75