Year	Number of Firms
1992-01-01	46
1997-01-01	61
2002-01-01	64
2003-01-01	60
2004-01-01	52
2005-01-01	57
2006-01-01	64
2007-01-01	68
2008-01-01	63
2009-01-01	84
2010-01-01	70
2011-01-01	96
2012-01-01	78
2013-01-01	61
2014-01-01	50
2015-01-01	44
2016-01-01	49