Year	Number of Firms
1992-01-01	27
1997-01-01	39
2002-01-01	55
2003-01-01	52
2004-01-01	48
2005-01-01	58
2006-01-01	57
2007-01-01	71
2008-01-01	81
2009-01-01	74
2010-01-01	76
2011-01-01	71
2012-01-01	65
2013-01-01	76
2014-01-01	82
2015-01-01	79
2016-01-01	91