Year	Number of Firms
1992-01-01	3
1997-01-01	14
2002-01-01	13
2003-01-01	37
2004-01-01	65
2005-01-01	28
2006-01-01	34
2007-01-01	36
2008-01-01	36
2009-01-01	44
2010-01-01	38
2011-01-01	42
2012-01-01	53
2013-01-01	61
2014-01-01	48
2015-01-01	39
2016-01-01	35