Year	Number of Firms
1992-01-01	19
1997-01-01	33
2002-01-01	29
2003-01-01	44
2004-01-01	37
2005-01-01	30
2006-01-01	29
2007-01-01	39
2008-01-01	34
2009-01-01	45
2010-01-01	37
2011-01-01	32
2012-01-01	24
2013-01-01	32
2014-01-01	18
2015-01-01	27
2016-01-01	25