Year	Number of Firms
1992-01-01	18
1997-01-01	58
2002-01-01	49
2003-01-01	57
2004-01-01	35
2005-01-01	56
2006-01-01	42
2007-01-01	62
2008-01-01	85
2009-01-01	83
2010-01-01	79
2011-01-01	68
2012-01-01	72
2013-01-01	65
2014-01-01	65
2015-01-01	55
2016-01-01	54