Year	Number of Firms
1992-01-01	32
1997-01-01	41
2002-01-01	39
2003-01-01	44
2004-01-01	46
2005-01-01	42
2006-01-01	42
2007-01-01	45
2008-01-01	46
2009-01-01	44
2010-01-01	39
2011-01-01	38
2012-01-01	42
2013-01-01	44
2014-01-01	40
2015-01-01	42
2016-01-01	45