Year	Number of Firms
1992-01-01	42
1997-01-01	46
2002-01-01	74
2003-01-01	77
2004-01-01	95
2005-01-01	83
2006-01-01	97
2007-01-01	145
2008-01-01	179
2009-01-01	154
2010-01-01	161
2011-01-01	180
2012-01-01	161
2013-01-01	166
2014-01-01	196
2015-01-01	166
2016-01-01	157