SITC 0

SITC 1

SITC 2

SITC 3

SITC 4

SITC 5

SITC 6

SITC 7

SITC 8

1987

0.20

−0.43

0.28

0.23

−0.37

−0.24

0.14

−0.60

0.31

1991

0.15

−0.27

0.07

−0.11

−0.33

−0.25

0.12

−0.33

0.42

1996

−0.03

−0.14

−0.17

−0.32

−0.31

−0.23

0.11

−0.26

0.49

2001

−0.09

−0.49

−0.32

−0.50

−0.76

−0.32

0.10

−0.06

0.44

2006

−0.30

−0.72

−0.62

−0.76

−0.81

−0.39

0.13

0.12

0.38

2011

−0.38

−0.74

−0.72

−0.77

−0.91

−0.30

0.11

0.16

0.37