Year	Number of Firms
1992-01-01	55
1997-01-01	145
2002-01-01	268
2003-01-01	355
2004-01-01	376
2005-01-01	435
2006-01-01	531
2007-01-01	537
2008-01-01	563
2009-01-01	541
2010-01-01	585
2011-01-01	636
2012-01-01	648
2013-01-01	669
2014-01-01	682
2015-01-01	689
2016-01-01	668
