Year	Number of Firms
1992-01-01	28
1997-01-01	32
2002-01-01	41
2003-01-01	48
2004-01-01	42
2005-01-01	46
2006-01-01	54
2007-01-01	57
2008-01-01	70
2009-01-01	67
2010-01-01	84
2011-01-01	66
2012-01-01	63
2013-01-01	71
2014-01-01	72
2015-01-01	73
2016-01-01	74