Year	Number of Firms
1992-01-01	13
1997-01-01	10
2002-01-01	9
2003-01-01	4
2004-01-01	9
2005-01-01	9
2006-01-01	10
2007-01-01	14
2008-01-01	15
2009-01-01	7
2010-01-01	18
2011-01-01	15
2012-01-01	10
2013-01-01	10
2014-01-01	7
2015-01-01	6
2016-01-01	9