Year	Number of Firms
1992-01-01	248
1997-01-01	344
2002-01-01	358
2003-01-01	357
2004-01-01	418
2005-01-01	379
2006-01-01	341
2007-01-01	380
2008-01-01	381
2009-01-01	373
2010-01-01	410
2011-01-01	427
2012-01-01	432
2013-01-01	420
2014-01-01	434
2015-01-01	439
2016-01-01	415