Year	Number of Firms
1992-01-01	345
1997-01-01	343
2002-01-01	389
2003-01-01	370
2004-01-01	421
2005-01-01	447
2006-01-01	475
2007-01-01	506
2008-01-01	559
2009-01-01	550
2010-01-01	606
2011-01-01	647
2012-01-01	647
2013-01-01	660
2014-01-01	676
2015-01-01	667
2016-01-01	583
