Year	Number of Firms
1992-01-01	224
1997-01-01	254
2002-01-01	281
2003-01-01	284
2004-01-01	267
2005-01-01	298
2006-01-01	297
2007-01-01	327
2008-01-01	393
2009-01-01	387
2010-01-01	419
2011-01-01	431
2012-01-01	435
2013-01-01	423
2014-01-01	451
2015-01-01	445
2016-01-01	390