Year	Number of Firms
1992-01-01	14
1997-01-01	16
2002-01-01	27
2003-01-01	20
2004-01-01	30
2005-01-01	32
2006-01-01	30
2007-01-01	33
2008-01-01	37
2009-01-01	31
2010-01-01	38
2011-01-01	42
2012-01-01	42
2013-01-01	37
2014-01-01	28
2015-01-01	30
2016-01-01	31