Year	Number of Firms
1992-01-01	26
1997-01-01	29
2002-01-01	42
2003-01-01	39
2004-01-01	42
2005-01-01	38
2006-01-01	40
2007-01-01	53
2008-01-01	56
2009-01-01	50
2010-01-01	43
2011-01-01	42
2012-01-01	35
2013-01-01	28
2014-01-01	39
2015-01-01	30
2016-01-01	25
