Year	Number of Firms
1992-01-01	119
1997-01-01	207
2002-01-01	241
2003-01-01	269
2004-01-01	260
2005-01-01	319
2006-01-01	335
2007-01-01	391
2008-01-01	429
2009-01-01	415
2010-01-01	473
2011-01-01	483
2012-01-01	505
2013-01-01	499
2014-01-01	533
2015-01-01	527
2016-01-01	512
