Year	Number of Firms
1992-01-01	388
1997-01-01	570
2002-01-01	747
2003-01-01	748
2004-01-01	733
2005-01-01	733
2006-01-01	751
2007-01-01	790
2008-01-01	781
2009-01-01	785
2010-01-01	808
2011-01-01	802
2012-01-01	765
2013-01-01	726
2014-01-01	776
2015-01-01	773
2016-01-01	770
