Year	Number of Firms
1992-01-01	38
1997-01-01	35
2002-01-01	45
2003-01-01	47
2004-01-01	44
2005-01-01	44
2006-01-01	52
2007-01-01	58
2008-01-01	63
2009-01-01	66
2010-01-01	58
2011-01-01	63
2012-01-01	56
2013-01-01	42
2014-01-01	43
2015-01-01	40
2016-01-01	30