Year	Number of Firms
1997-01-01	56
2002-01-01	54
2003-01-01	63
2004-01-01	54
2005-01-01	63
2006-01-01	60
2007-01-01	76
2008-01-01	89
2009-01-01	74
2010-01-01	69
2011-01-01	63
2012-01-01	78
2013-01-01	77
2014-01-01	71
2015-01-01	83
2016-01-01	72