Year	Number of Firms
1992-01-01	253
1997-01-01	286
2002-01-01	294
2003-01-01	306
2004-01-01	328
2005-01-01	344
2006-01-01	344
2007-01-01	383
2008-01-01	426
2009-01-01	379
2010-01-01	398
2011-01-01	446
2012-01-01	393
2013-01-01	404
2014-01-01	385
2015-01-01	349
2016-01-01	348