Year	Number of Firms
1992-01-01	306
1997-01-01	391
2002-01-01	397
2003-01-01	391
2004-01-01	393
2005-01-01	381
2006-01-01	394
2007-01-01	411
2008-01-01	385
2009-01-01	355
2010-01-01	386
2011-01-01	410
2012-01-01	405
2013-01-01	401
2014-01-01	423
2015-01-01	405
2016-01-01	414
