Year	Number of Firms
1992-01-01	179
1997-01-01	329
2002-01-01	411
2003-01-01	413
2004-01-01	466
2005-01-01	457
2006-01-01	473
2007-01-01	480
2008-01-01	539
2009-01-01	569
2010-01-01	630
2011-01-01	662
2012-01-01	676
2013-01-01	785
2014-01-01	767
2015-01-01	743
2016-01-01	737