Year	Number of Firms
1992-01-01	193
1997-01-01	298
2002-01-01	270
2003-01-01	290
2004-01-01	309
2005-01-01	332
2006-01-01	337
2007-01-01	367
2008-01-01	361
2009-01-01	352
2010-01-01	356
2011-01-01	388
2012-01-01	397
2013-01-01	387
2014-01-01	409
2015-01-01	376
2016-01-01	411