Year	Number of Firms
1992-01-01	24
1997-01-01	26
2002-01-01	23
2003-01-01	33
2004-01-01	37
2005-01-01	35
2006-01-01	43
2007-01-01	44
2008-01-01	54
2009-01-01	53
2010-01-01	42
2011-01-01	39
2012-01-01	41
2013-01-01	32
2014-01-01	32
2015-01-01	35
2016-01-01	35
