Year	Number of Firms
1992-01-01	170
1997-01-01	302
2002-01-01	318
2003-01-01	322
2004-01-01	339
2005-01-01	385
2006-01-01	402
2007-01-01	477
2008-01-01	520
2009-01-01	504
2010-01-01	550
2011-01-01	679
2012-01-01	674
2013-01-01	661
2014-01-01	697
2015-01-01	672
2016-01-01	714