Year	Number of Firms
1992-01-01	30
1997-01-01	44
2002-01-01	55
2003-01-01	54
2004-01-01	42
2005-01-01	51
2006-01-01	53
2007-01-01	60
2008-01-01	58
2009-01-01	66
2010-01-01	54
2011-01-01	53
2012-01-01	57
2013-01-01	61
2014-01-01	57
2015-01-01	59
2016-01-01	61