Year	Number of Firms
1992-01-01	38
1997-01-01	39
2002-01-01	40
2003-01-01	38
2004-01-01	37
2005-01-01	46
2006-01-01	53
2007-01-01	52
2008-01-01	58
2009-01-01	52
2010-01-01	39
2011-01-01	49
2012-01-01	35
2013-01-01	36
2014-01-01	35
2015-01-01	40
2016-01-01	32