Year	Number of Firms
1992-01-01	22
1997-01-01	41
2002-01-01	54
2003-01-01	53
2004-01-01	67
2005-01-01	75
2006-01-01	76
2007-01-01	80
2008-01-01	91
2009-01-01	76
2010-01-01	83
2011-01-01	80
2012-01-01	84
2013-01-01	82
2014-01-01	82
2015-01-01	74
2016-01-01	84