Year	Number of Firms
1992-01-01	23
1997-01-01	22
2002-01-01	23
2003-01-01	30
2004-01-01	29
2005-01-01	32
2006-01-01	25
2007-01-01	37
2008-01-01	35
2009-01-01	42
2010-01-01	34
2011-01-01	45
2012-01-01	40
2013-01-01	40
2014-01-01	41
2015-01-01	39
2016-01-01	40