Year	Number of Firms
1992-01-01	8
1997-01-01	30
2002-01-01	29
2003-01-01	28
2004-01-01	36
2005-01-01	32
2006-01-01	47
2007-01-01	56
2008-01-01	62
2009-01-01	81
2010-01-01	72
2011-01-01	68
2012-01-01	58
2013-01-01	70
2014-01-01	56
2015-01-01	51
2016-01-01	41