Year	Number of Firms
1992-01-01	32
1997-01-01	54
2002-01-01	44
2003-01-01	35
2004-01-01	36
2005-01-01	52
2006-01-01	49
2007-01-01	49
2008-01-01	48
2009-01-01	46
2010-01-01	47
2011-01-01	43
2012-01-01	51
2013-01-01	47
2014-01-01	28
2015-01-01	26
2016-01-01	25