Year	Number of Firms
1992-01-01	238
1997-01-01	320
2002-01-01	305
2003-01-01	326
2004-01-01	325
2005-01-01	335
2006-01-01	328
2007-01-01	372
2008-01-01	378
2009-01-01	327
2010-01-01	317
2011-01-01	338
2012-01-01	300
2013-01-01	290
2014-01-01	331
2015-01-01	306
2016-01-01	316