Year	Number of Firms
1992-01-01	16
1997-01-01	28
2002-01-01	39
2003-01-01	28
2004-01-01	32
2005-01-01	38
2006-01-01	44
2007-01-01	43
2008-01-01	48
2009-01-01	44
2010-01-01	53
2011-01-01	56
2012-01-01	47
2013-01-01	48
2014-01-01	54
2015-01-01	50
2016-01-01	38