Year	Number of Firms
1992-01-01	206
1997-01-01	275
2002-01-01	301
2003-01-01	323
2004-01-01	326
2005-01-01	352
2006-01-01	348
2007-01-01	382
2008-01-01	379
2009-01-01	353
2010-01-01	357
2011-01-01	339
2012-01-01	347
2013-01-01	336
2014-01-01	353
2015-01-01	366
2016-01-01	369