Year	Number of Firms
1992-01-01	193
1997-01-01	275
2002-01-01	270
2003-01-01	286
2004-01-01	302
2005-01-01	321
2006-01-01	311
2007-01-01	351
2008-01-01	329
2009-01-01	292
2010-01-01	323
2011-01-01	353
2012-01-01	348
2013-01-01	327
2014-01-01	359
2015-01-01	342
2016-01-01	355