Year	Number of Firms
1992-01-01	296
1997-01-01	397
2002-01-01	398
2003-01-01	376
2004-01-01	381
2005-01-01	384
2006-01-01	375
2007-01-01	411
2008-01-01	458
2009-01-01	427
2010-01-01	423
2011-01-01	432
2012-01-01	444
2013-01-01	458
2014-01-01	436
2015-01-01	436
2016-01-01	424