Year	Number of Firms
1992-01-01	31
1997-01-01	32
2002-01-01	35
2003-01-01	42
2004-01-01	47
2005-01-01	60
2006-01-01	63
2007-01-01	70
2008-01-01	67
2009-01-01	62
2010-01-01	71
2011-01-01	66
2012-01-01	87
2013-01-01	80
2014-01-01	70
2015-01-01	68
2016-01-01	74