Year	Number of Firms
1992-01-01	50
1997-01-01	64
2002-01-01	72
2003-01-01	74
2004-01-01	91
2005-01-01	68
2006-01-01	71
2007-01-01	85
2008-01-01	99
2009-01-01	82
2010-01-01	71
2011-01-01	69
2012-01-01	63
2013-01-01	48
2014-01-01	59
2015-01-01	48
2016-01-01	47