Year	Number of Firms
1992-01-01	1079
1997-01-01	1362
2002-01-01	1411
2003-01-01	1365
2004-01-01	1370
2005-01-01	1358
2006-01-01	1332
2007-01-01	1356
2008-01-01	1374
2009-01-01	1310
2010-01-01	1385
2011-01-01	1469
2012-01-01	1453
2013-01-01	1457
2014-01-01	1494
2015-01-01	1432
2016-01-01	1379