Year	Number of Firms
1992-01-01	32
1997-01-01	43
2002-01-01	41
2003-01-01	46
2004-01-01	38
2005-01-01	59
2006-01-01	62
2007-01-01	59
2008-01-01	66
2009-01-01	70
2010-01-01	49
2011-01-01	53
2012-01-01	51
2013-01-01	47
2014-01-01	60
2015-01-01	59
2016-01-01	59