Year	Number of Firms
1992-01-01	85
1997-01-01	133
2002-01-01	135
2003-01-01	180
2004-01-01	208
2005-01-01	265
2006-01-01	330
2007-01-01	326
2008-01-01	438
2009-01-01	482
2010-01-01	583
2011-01-01	611
2012-01-01	498
2013-01-01	453
2014-01-01	467
2015-01-01	558
2016-01-01	507