Year	Number of Firms
1992-01-01	34
1997-01-01	30
2002-01-01	39
2003-01-01	46
2004-01-01	39
2005-01-01	53
2006-01-01	44
2007-01-01	58
2008-01-01	85
2009-01-01	73
2010-01-01	69
2011-01-01	73
2012-01-01	71
2013-01-01	72
2014-01-01	75
2015-01-01	73
2016-01-01	77