Year	Number of Firms
1992-01-01	224
1997-01-01	290
2002-01-01	263
2003-01-01	276
2004-01-01	278
2005-01-01	288
2006-01-01	294
2007-01-01	316
2008-01-01	316
2009-01-01	307
2010-01-01	309
2011-01-01	324
2012-01-01	304
2013-01-01	299
2014-01-01	308
2015-01-01	313
2016-01-01	300