Year	Number of Firms
1992-01-01	44
1997-01-01	66
2002-01-01	64
2003-01-01	80
2004-01-01	117
2005-01-01	227
2006-01-01	132
2007-01-01	107
2008-01-01	88
2009-01-01	74
2010-01-01	66
2011-01-01	56
2012-01-01	63
2013-01-01	66
2014-01-01	64
2015-01-01	65
2016-01-01	76