Year	Number of Firms
1992-01-01	716
1997-01-01	1413
2002-01-01	1546
2003-01-01	1607
2004-01-01	1592
2005-01-01	1551
2006-01-01	1587
2007-01-01	1711
2008-01-01	1731
2009-01-01	1485
2010-01-01	1422
2011-01-01	1483
2012-01-01	1388
2013-01-01	1463
2014-01-01	1479
2015-01-01	1453
2016-01-01	1536