Year	Number of Firms
1992-01-01	3
1997-01-01	2
2002-01-01	13
2003-01-01	19
2004-01-01	24
2005-01-01	27
2006-01-01	19
2007-01-01	27
2008-01-01	24
2009-01-01	30
2010-01-01	25
2011-01-01	18
2012-01-01	29
2013-01-01	32
2014-01-01	39
2015-01-01	30
2016-01-01	29