Year	Number of Firms
1992-01-01	162
1997-01-01	328
2002-01-01	454
2003-01-01	535
2004-01-01	536
2005-01-01	595
2006-01-01	638
2007-01-01	680
2008-01-01	733
2009-01-01	705
2010-01-01	875
2011-01-01	975
2012-01-01	960
2013-01-01	946
2014-01-01	999
2015-01-01	1004
2016-01-01	988
