Year	Number of Firms
1992-01-01	81
1997-01-01	145
2002-01-01	239
2003-01-01	298
2004-01-01	315
2005-01-01	324
2006-01-01	407
2007-01-01	463
2008-01-01	524
2009-01-01	498
2010-01-01	536
2011-01-01	570
2012-01-01	569
2013-01-01	607
2014-01-01	654
2015-01-01	636
2016-01-01	620