Year	Number of Firms
1992-01-01	313
1997-01-01	374
2002-01-01	377
2003-01-01	367
2004-01-01	410
2005-01-01	426
2006-01-01	476
2007-01-01	492
2008-01-01	500
2009-01-01	418
2010-01-01	445
2011-01-01	419
2012-01-01	407
2013-01-01	394
2014-01-01	382
2015-01-01	365
2016-01-01	379