Year	Number of Firms
1992-01-01	88
1997-01-01	118
2002-01-01	120
2003-01-01	114
2004-01-01	119
2005-01-01	133
2006-01-01	142
2007-01-01	140
2008-01-01	167
2009-01-01	143
2010-01-01	126
2011-01-01	105
2012-01-01	83
2013-01-01	90
2014-01-01	87
2015-01-01	87
2016-01-01	87