Year	Number of Firms
1992-01-01	196
1997-01-01	247
2002-01-01	248
2003-01-01	237
2004-01-01	255
2005-01-01	262
2006-01-01	254
2007-01-01	335
2008-01-01	344
2009-01-01	310
2010-01-01	295
2011-01-01	328
2012-01-01	303
2013-01-01	313
2014-01-01	283
2015-01-01	276
2016-01-01	304