Year	Number of Firms
1992-01-01	184
1997-01-01	265
2002-01-01	358
2003-01-01	357
2004-01-01	376
2005-01-01	402
2006-01-01	427
2007-01-01	481
2008-01-01	492
2009-01-01	456
2010-01-01	498
2011-01-01	577
2012-01-01	577
2013-01-01	599
2014-01-01	607
2015-01-01	632
2016-01-01	654