Year	Number of Firms
1992-01-01	225
1997-01-01	263
2002-01-01	310
2003-01-01	343
2004-01-01	349
2005-01-01	385
2006-01-01	378
2007-01-01	418
2008-01-01	425
2009-01-01	370
2010-01-01	348
2011-01-01	379
2012-01-01	353
2013-01-01	352
2014-01-01	378
2015-01-01	367
2016-01-01	369