Year	Number of Firms
1992-01-01	273
1997-01-01	427
2002-01-01	425
2003-01-01	433
2004-01-01	447
2005-01-01	519
2006-01-01	534
2007-01-01	592
2008-01-01	632
2009-01-01	641
2010-01-01	673
2011-01-01	767
2012-01-01	711
2013-01-01	723
2014-01-01	693
2015-01-01	676
2016-01-01	664