Year	Number of Firms
1992-01-01	127
1997-01-01	154
2002-01-01	143
2003-01-01	82
2004-01-01	110
2005-01-01	142
2006-01-01	137
2007-01-01	135
2008-01-01	133
2009-01-01	134
2010-01-01	137
2011-01-01	142
2012-01-01	148
2013-01-01	96
2014-01-01	97
2015-01-01	69
2016-01-01	55