Year	Number of Firms
1992-01-01	63
1997-01-01	67
2002-01-01	83
2003-01-01	87
2004-01-01	79
2005-01-01	77
2006-01-01	220
2007-01-01	235
2008-01-01	227
2009-01-01	60
2010-01-01	73
2011-01-01	70
2012-01-01	76
2013-01-01	76
2014-01-01	68
2015-01-01	65
2016-01-01	131