Year	Number of Firms
1992-01-01	200
1997-01-01	338
2002-01-01	335
2003-01-01	356
2004-01-01	356
2005-01-01	353
2006-01-01	350
2007-01-01	380
2008-01-01	384
2009-01-01	389
2010-01-01	418
2011-01-01	415
2012-01-01	381
2013-01-01	379
2014-01-01	365
2015-01-01	369
2016-01-01	358