Year	Number of Firms
1992-01-01	34
1997-01-01	37
2002-01-01	44
2003-01-01	50
2004-01-01	71
2005-01-01	62
2006-01-01	70
2007-01-01	83
2008-01-01	87
2009-01-01	66
2010-01-01	61
2011-01-01	50
2012-01-01	54
2013-01-01	54
2014-01-01	57
2015-01-01	56
2016-01-01	45