Year	Number of Firms
1992-01-01	152
1997-01-01	262
2002-01-01	303
2003-01-01	280
2004-01-01	293
2005-01-01	307
2006-01-01	312
2007-01-01	355
2008-01-01	371
2009-01-01	368
2010-01-01	375
2011-01-01	391
2012-01-01	387
2013-01-01	379
2014-01-01	377
2015-01-01	357
2016-01-01	370