Year	Number of Firms
1992-01-01	94
1997-01-01	212
2002-01-01	260
2003-01-01	311
2004-01-01	357
2005-01-01	396
2006-01-01	438
2007-01-01	504
2008-01-01	610
2009-01-01	567
2010-01-01	563
2011-01-01	569
2012-01-01	619
2013-01-01	675
2014-01-01	692
2015-01-01	661
2016-01-01	595