Year	Number of Firms
1992-01-01	92
1997-01-01	170
2002-01-01	346
2003-01-01	431
2004-01-01	517
2005-01-01	587
2006-01-01	660
2007-01-01	729
2008-01-01	813
2009-01-01	787
2010-01-01	842
2011-01-01	847
2012-01-01	874
2013-01-01	837
2014-01-01	836
2015-01-01	827
2016-01-01	831