Year	Number of Firms
1992-01-01	13
1997-01-01	36
2002-01-01	32
2003-01-01	28
2004-01-01	41
2005-01-01	34
2006-01-01	39
2007-01-01	54
2008-01-01	53
2009-01-01	51
2010-01-01	70
2011-01-01	65
2012-01-01	71
2013-01-01	82
2014-01-01	78
2015-01-01	82
2016-01-01	84