Year	Number of Firms
1992-01-01	151
1997-01-01	229
2002-01-01	247
2003-01-01	256
2004-01-01	262
2005-01-01	310
2006-01-01	296
2007-01-01	347
2008-01-01	387
2009-01-01	320
2010-01-01	332
2011-01-01	346
2012-01-01	331
2013-01-01	317
2014-01-01	311
2015-01-01	255
2016-01-01	274