Year	Number of Firms
1992-01-01	55
1997-01-01	55
2002-01-01	51
2003-01-01	64
2004-01-01	69
2005-01-01	74
2006-01-01	58
2007-01-01	69
2008-01-01	76
2009-01-01	75
2010-01-01	59
2011-01-01	62
2012-01-01	55
2013-01-01	55
2014-01-01	89
2015-01-01	71
2016-01-01	59