Year	Number of Firms
1992-01-01	18
1997-01-01	22
2002-01-01	27
2003-01-01	26
2004-01-01	26
2005-01-01	39
2006-01-01	34
2007-01-01	33
2008-01-01	48
2009-01-01	53
2010-01-01	53
2011-01-01	42
2012-01-01	55
2013-01-01	60
2014-01-01	54
2015-01-01	65
2016-01-01	61