Year	Number of Firms
1992-01-01	17
1997-01-01	20
2002-01-01	31
2003-01-01	25
2004-01-01	14
2005-01-01	30
2006-01-01	26
2007-01-01	32
2008-01-01	31
2009-01-01	39
2010-01-01	35
2011-01-01	31
2012-01-01	41
2013-01-01	29
2014-01-01	42
2015-01-01	34
2016-01-01	28