Year	Number of Firms
1992-01-01	16
1997-01-01	42
2002-01-01	26
2003-01-01	32
2004-01-01	48
2005-01-01	47
2006-01-01	51
2007-01-01	47
2008-01-01	55
2009-01-01	45
2010-01-01	59
2011-01-01	52
2012-01-01	43
2013-01-01	54
2014-01-01	37
2015-01-01	42
2016-01-01	46