Year	Number of Firms
1992-01-01	28
1997-01-01	35
2002-01-01	29
2003-01-01	24
2004-01-01	36
2005-01-01	40
2006-01-01	37
2007-01-01	42
2008-01-01	37
2009-01-01	39
2010-01-01	34
2011-01-01	44
2012-01-01	35
2013-01-01	35
2014-01-01	25
2015-01-01	19
2016-01-01	15