Year	Number of Firms
1992-01-01	325
1997-01-01	330
2002-01-01	252
2003-01-01	305
2004-01-01	362
2005-01-01	291
2006-01-01	291
2007-01-01	283
2008-01-01	278
2009-01-01	298
2010-01-01	328
2011-01-01	310
2012-01-01	319
2013-01-01	324
2014-01-01	308
2015-01-01	284
2016-01-01	266