Year	Number of Firms
1992-01-01	55
1997-01-01	61
2002-01-01	58
2003-01-01	59
2004-01-01	62
2005-01-01	57
2006-01-01	78
2007-01-01	75
2008-01-01	62
2009-01-01	61
2010-01-01	54
2011-01-01	66
2012-01-01	62
2013-01-01	58
2014-01-01	56
2015-01-01	48
2016-01-01	55