Year	Number of Firms
1992-01-01	30
1997-01-01	60
2002-01-01	64
2003-01-01	70
2004-01-01	82
2005-01-01	80
2006-01-01	89
2007-01-01	103
2008-01-01	118
2009-01-01	137
2010-01-01	147
2011-01-01	143
2012-01-01	171
2013-01-01	154
2014-01-01	173
2015-01-01	143
2016-01-01	141