Year	Number of Firms
1992-01-01	210
1997-01-01	317
2002-01-01	338
2003-01-01	341
2004-01-01	360
2005-01-01	381
2006-01-01	386
2007-01-01	441
2008-01-01	435
2009-01-01	392
2010-01-01	397
2011-01-01	410
2012-01-01	433
2013-01-01	398
2014-01-01	399
2015-01-01	385
2016-01-01	390