Year	Number of Firms
1992-01-01	206
1997-01-01	256
2002-01-01	240
2003-01-01	211
2004-01-01	245
2005-01-01	290
2006-01-01	254
2007-01-01	291
2008-01-01	287
2009-01-01	243
2010-01-01	251
2011-01-01	280
2012-01-01	236
2013-01-01	228
2014-01-01	230
2015-01-01	228
2016-01-01	231