Year	Number of Firms
1992-01-01	25
1997-01-01	45
2002-01-01	26
2003-01-01	40
2004-01-01	44
2005-01-01	50
2006-01-01	50
2007-01-01	44
2008-01-01	50
2009-01-01	63
2010-01-01	68
2011-01-01	56
2012-01-01	53
2013-01-01	44
2014-01-01	65
2015-01-01	55
2016-01-01	50