Year	Number of Firms
1992-01-01	161
1997-01-01	260
2002-01-01	233
2003-01-01	284
2004-01-01	310
2005-01-01	322
2006-01-01	338
2007-01-01	365
2008-01-01	393
2009-01-01	355
2010-01-01	366
2011-01-01	403
2012-01-01	414
2013-01-01	411
2014-01-01	421
2015-01-01	435
2016-01-01	408