Year	Number of Firms
1992-01-01	28
1997-01-01	26
2002-01-01	39
2003-01-01	32
2004-01-01	40
2005-01-01	49
2006-01-01	53
2007-01-01	46
2008-01-01	46
2009-01-01	48
2010-01-01	42
2011-01-01	50
2012-01-01	47
2013-01-01	42
2014-01-01	36
2015-01-01	29
2016-01-01	32