1991

6.8

1956

7.9

1948

7.8

1979

6.9

1974

6.7

2020

6.4

2016

6.1

1984

4.8

2019

7.0

2014

4.9

2000

7.6

1987

7.3

1959

8.0

1989

8.3

1955

7.5

1983

7.2

1979

7.0

1986

7.9

2024

0.0

2004

6.3