"Figure 4: Proportion who smoke cigarettes, by age, Great Britain, 1974-2013","" "","" "","" "Notes","1. Estimates prior to 2000 are unweighted 2. Prior to 2000, smoking data were collected every other year. Estimates for odd years up to 1999 have been interpolated" "Unit","Proportion (%) who smoke cigarettes" "","" "","16 to 24","25 to 34","35 to 49","50 to 59","60 and over" "1974 ","44","51","52","50","33" "1976 ","42","45","48","48","30" "1978 ","39","45","45","45","30" "1980 ","37","46","44","45","29" "1982 ","35","38","39","41","27" "1984 ","35","38","37","39","26" "1986 ","35","36","36","35","25" "1988 ","33","36","36","33","23" "1990 ","35","35","33","29","21" "1992 ","33","34","31","29","20" "1994 ","34","32","30","27","17" "1996 ","35","36","30","27","18" "1998 ","36","35","30","27","16" "2000 ","32","35","29","27","16" "2001 ","33","34","29","26","17" "2002 ","32","34","28","26","15" "2003 ","32","34","30","25","15" "2004 ","29","31","29","24","14" "2005 ","29","31","27","24","14" "2006 ","25","30","25","22","12" "2007 ","26","26","24","21","12" "2008 ","26","27","24","22","13" "2009 ","25","26","25","21","14" "2010 ","23","26","24","20","13" "2011 ","24","23","24","19","13" "2012","22","27","23","21","13" "2013","23","25","22","19","11"