Year	Number of Firms
1992-01-01	42
1997-01-01	47
2002-01-01	52
2003-01-01	62
2004-01-01	51
2005-01-01	55
2006-01-01	54
2007-01-01	60
2008-01-01	58
2009-01-01	58
2010-01-01	71
2011-01-01	70
2012-01-01	60
2013-01-01	60
2014-01-01	61
2015-01-01	57
2016-01-01	53