Year	Number of Firms
1992-01-01	14
1997-01-01	36
2002-01-01	34
2003-01-01	36
2004-01-01	44
2005-01-01	39
2006-01-01	41
2007-01-01	53
2008-01-01	64
2009-01-01	51
2010-01-01	56
2011-01-01	50
2012-01-01	45
2013-01-01	42
2014-01-01	46
2015-01-01	51
2016-01-01	50