Year	Number of Firms
1992-01-01	32
1997-01-01	35
2002-01-01	27
2003-01-01	30
2004-01-01	37
2005-01-01	32
2006-01-01	31
2007-01-01	35
2008-01-01	44
2009-01-01	45
2010-01-01	42
2011-01-01	36
2012-01-01	32
2013-01-01	37
2014-01-01	28
2015-01-01	30
2016-01-01	30