Year	Number of Firms
1992-01-01	305
1997-01-01	344
2002-01-01	365
2003-01-01	372
2004-01-01	357
2005-01-01	342
2006-01-01	367
2007-01-01	375
2008-01-01	416
2009-01-01	373
2010-01-01	386
2011-01-01	388
2012-01-01	342
2013-01-01	344
2014-01-01	360
2015-01-01	349
2016-01-01	342