Year	Number of Firms
1992-01-01	615
1997-01-01	897
2002-01-01	1148
2003-01-01	1148
2004-01-01	1266
2005-01-01	1282
2006-01-01	1264
2007-01-01	1333
2008-01-01	1352
2009-01-01	1402
2010-01-01	1462
2011-01-01	1502
2012-01-01	1521
2013-01-01	1485
2014-01-01	1500
2015-01-01	1469
2016-01-01	1457