Year	Number of Firms
1992-01-01	457
1997-01-01	465
2002-01-01	664
2003-01-01	672
2004-01-01	688
2005-01-01	705
2006-01-01	700
2007-01-01	799
2008-01-01	844
2009-01-01	745
2010-01-01	746
2011-01-01	703
2012-01-01	699
2013-01-01	662
2014-01-01	660
2015-01-01	677
2016-01-01	657
