Year	Number of Firms
1992-01-01	5201
1997-01-01	9460
2002-01-01	7472
2003-01-01	7143
2004-01-01	6487
2005-01-01	6305
2006-01-01	6786
2007-01-01	7394
2008-01-01	7312
2009-01-01	6584
2010-01-01	6933
2011-01-01	7299
2012-01-01	7401
2013-01-01	7187
2014-01-01	7084
2015-01-01	6786
2016-01-01	6545