Year	Number of Firms
1992-01-01	177
1997-01-01	225
2002-01-01	210
2003-01-01	217
2004-01-01	233
2005-01-01	245
2006-01-01	246
2007-01-01	276
2008-01-01	306
2009-01-01	294
2010-01-01	320
2011-01-01	311
2012-01-01	304
2013-01-01	301
2014-01-01	287
2015-01-01	276
2016-01-01	272