Year	Number of Firms
1992-01-01	211
1997-01-01	346
2002-01-01	413
2003-01-01	434
2004-01-01	454
2005-01-01	493
2006-01-01	472
2007-01-01	534
2008-01-01	561
2009-01-01	559
2010-01-01	599
2011-01-01	642
2012-01-01	667
2013-01-01	676
2014-01-01	684
2015-01-01	653
2016-01-01	606
