Year	Number of Firms
1992-01-01	247
1997-01-01	493
2002-01-01	547
2003-01-01	548
2004-01-01	736
2005-01-01	736
2006-01-01	726
2007-01-01	746
2008-01-01	802
2009-01-01	792
2010-01-01	846
2011-01-01	937
2012-01-01	936
2013-01-01	982
2014-01-01	1007
2015-01-01	1041
2016-01-01	1010