Year	Number of Firms
1992-01-01	241
1997-01-01	325
2002-01-01	321
2003-01-01	325
2004-01-01	307
2005-01-01	307
2006-01-01	305
2007-01-01	345
2008-01-01	367
2009-01-01	334
2010-01-01	345
2011-01-01	379
2012-01-01	363
2013-01-01	364
2014-01-01	389
2015-01-01	359
2016-01-01	345