r Beneficiary & As % of Average Pre-Tax Income, 1966 - 2008 $14,000 16% $12,000 - - - ---- === eee ee py --_ 14% $10,000 ---------------..------5A- \e ef --- eo ae anil $4,000 i i $2,000 F 7 $0 TT T T T T 0% 1966 1969 1972 1975 1978 1981 1984 1987 1990 1993 1996 1999 2002 2005 2008 8% Income 6% 4