Year	Number of Firms
1992-01-01	91
1997-01-01	87
2002-01-01	117
2003-01-01	131
2004-01-01	123
2005-01-01	146
2006-01-01	132
2007-01-01	137
2008-01-01	165
2009-01-01	137
2010-01-01	117
2011-01-01	113
2012-01-01	109
2013-01-01	99
2014-01-01	81
2015-01-01	76
2016-01-01	71
