MALE OR FEMALE
AGE
EMPLOY
SOCIOECONOMIC SITUATION
AYB
PREFERENCE BETWEEN A Y B
BYC
PREFERENCE BETWEEN B Y C
AYC
PREFERENCE BETWEEN A Y C
DYE
PREFERENCE BETWEEN D Y E
EYF
PREFERENCE BETWEEN E Y F
DYF
PREFERENCE BETWEEN D Y F
GYH
PREFERENCE BETWEEN G Y H
HEI
PREFERENCE BETWEEN H E I
GEI
PREFERENCE BETWEEN G E I
JYK
PREFERENCE BETWEEN J Y K
KYL
PREFERENCE BETWEEN K Y L
JYL
PREFERENCE BETWEEN J Y L
MYN
PREFERENCE BETWEEN M Y N
NYO
PREFERENCE BETWEEN N Y O
MYO
PREFERENCE BETWEEN M Y O
PYQ
PREFERENCE BETWEEN P Y Q
QYR
PREFERENCE BETWEEN Q Y R
PYR
PREFERENCE BETWEEN P Y R