Year	Number of Firms
1992-01-01	46
1997-01-01	45
2002-01-01	54
2003-01-01	48
2004-01-01	59
2005-01-01	47
2006-01-01	55
2007-01-01	51
2008-01-01	62
2009-01-01	46
2010-01-01	52
2011-01-01	52
2012-01-01	43
2013-01-01	44
2014-01-01	42
2015-01-01	41
2016-01-01	39