Year	Number of Firms
1992-01-01	30
1997-01-01	40
2002-01-01	39
2003-01-01	42
2004-01-01	49
2005-01-01	49
2006-01-01	60
2007-01-01	59
2008-01-01	71
2009-01-01	51
2010-01-01	59
2011-01-01	64
2012-01-01	57
2013-01-01	68
2014-01-01	62
2015-01-01	59
2016-01-01	64