Year	Number of Firms
1992-01-01	53
1997-01-01	54
2002-01-01	50
2003-01-01	37
2004-01-01	54
2005-01-01	41
2006-01-01	59
2007-01-01	58
2008-01-01	74
2009-01-01	48
2010-01-01	56
2011-01-01	62
2012-01-01	51
2013-01-01	34
2014-01-01	52
2015-01-01	40
2016-01-01	45