Year	Number of Firms
1992-01-01	232
1997-01-01	253
2002-01-01	278
2003-01-01	306
2004-01-01	288
2005-01-01	332
2006-01-01	363
2007-01-01	424
2008-01-01	434
2009-01-01	366
2010-01-01	393
2011-01-01	388
2012-01-01	394
2013-01-01	388
2014-01-01	387
2015-01-01	414
2016-01-01	385