Year	Number of Firms
1992-01-01	48
1997-01-01	70
2002-01-01	91
2003-01-01	96
2004-01-01	56
2005-01-01	24
2006-01-01	18
2007-01-01	23
2008-01-01	38
2009-01-01	28
2010-01-01	34
2011-01-01	33
2012-01-01	20
2013-01-01	9
2014-01-01	12
2015-01-01	9
2016-01-01	7