Year	Number of Firms
1992-01-01	164
1997-01-01	260
2002-01-01	274
2003-01-01	259
2004-01-01	303
2005-01-01	306
2006-01-01	310
2007-01-01	342
2008-01-01	368
2009-01-01	348
2010-01-01	370
2011-01-01	402
2012-01-01	355
2013-01-01	320
2014-01-01	318
2015-01-01	315
2016-01-01	303