Year	Number of Firms
1992-01-01	46
1997-01-01	128
2002-01-01	126
2003-01-01	125
2004-01-01	128
2005-01-01	122
2006-01-01	111
2007-01-01	130
2008-01-01	141
2009-01-01	154
2010-01-01	146
2011-01-01	160
2012-01-01	140
2013-01-01	164
2014-01-01	172
2015-01-01	164
2016-01-01	186