Year	Number of Firms
1992-01-01	831
1997-01-01	1288
2002-01-01	1437
2003-01-01	1379
2004-01-01	1491
2005-01-01	1458
2006-01-01	1412
2007-01-01	1545
2008-01-01	1567
2009-01-01	1364
2010-01-01	1430
2011-01-01	1568
2012-01-01	1580
2013-01-01	1543
2014-01-01	1552
2015-01-01	1513
2016-01-01	1512
