Year	Number of Firms
1992-01-01	10
1997-01-01	18
2002-01-01	4
2003-01-01	6
2004-01-01	9
2005-01-01	8
2006-01-01	8
2007-01-01	16
2008-01-01	16
2009-01-01	23
2010-01-01	25
2011-01-01	28
2012-01-01	29
2013-01-01	28
2014-01-01	32
2015-01-01	34
2016-01-01	23