Year	Number of Firms
1992-01-01	131
1997-01-01	181
2002-01-01	209
2003-01-01	207
2004-01-01	229
2005-01-01	211
2006-01-01	253
2007-01-01	254
2008-01-01	286
2009-01-01	268
2010-01-01	270
2011-01-01	281
2012-01-01	292
2013-01-01	285
2014-01-01	289
2015-01-01	301
2016-01-01	304