Year	Number of Firms
1992-01-01	51
1997-01-01	56
2002-01-01	69
2003-01-01	57
2004-01-01	59
2005-01-01	55
2006-01-01	44
2007-01-01	50
2008-01-01	60
2009-01-01	65
2010-01-01	49
2011-01-01	61
2012-01-01	58
2013-01-01	64
2014-01-01	56
2015-01-01	60
2016-01-01	83