Year	Number of Firms
1992-01-01	290
1997-01-01	345
2002-01-01	335
2003-01-01	328
2004-01-01	315
2005-01-01	324
2006-01-01	352
2007-01-01	353
2008-01-01	384
2009-01-01	374
2010-01-01	364
2011-01-01	380
2012-01-01	379
2013-01-01	382
2014-01-01	415
2015-01-01	384
2016-01-01	366