Year	Number of Firms
1992-01-01	20
1997-01-01	24
2002-01-01	28
2003-01-01	30
2004-01-01	28
2005-01-01	38
2006-01-01	39
2007-01-01	54
2008-01-01	50
2009-01-01	73
2010-01-01	71
2011-01-01	68
2012-01-01	65
2013-01-01	70
2014-01-01	75
2015-01-01	79
2016-01-01	64