Year	Number of Firms
1992-01-01	150
1997-01-01	282
2002-01-01	311
2003-01-01	298
2004-01-01	309
2005-01-01	326
2006-01-01	343
2007-01-01	365
2008-01-01	383
2009-01-01	379
2010-01-01	414
2011-01-01	420
2012-01-01	414
2013-01-01	395
2014-01-01	406
2015-01-01	346
2016-01-01	341