Year	Number of Firms
1992-01-01	126
1997-01-01	131
2002-01-01	202
2003-01-01	224
2004-01-01	254
2005-01-01	271
2006-01-01	347
2007-01-01	416
2008-01-01	457
2009-01-01	454
2010-01-01	487
2011-01-01	548
2012-01-01	539
2013-01-01	579
2014-01-01	597
2015-01-01	602
2016-01-01	566