Year	Number of Firms
1992-01-01	173
1997-01-01	205
2002-01-01	208
2003-01-01	235
2004-01-01	266
2005-01-01	267
2006-01-01	253
2007-01-01	288
2008-01-01	304
2009-01-01	267
2010-01-01	275
2011-01-01	302
2012-01-01	299
2013-01-01	297
2014-01-01	265
2015-01-01	292
2016-01-01	279