1954

6.7

1986

5.8

1984

7.2

2023

8.1

2021

6.4

2000

6.3

2019

6.5

1989

6.0

1990

7.3

1988

6.5

2010

6.0

1958

6.6

1974

7.0

2024

6.2

2019

6.8

1990

5.8

1990

5.5

2022

6.3

1986

6.6

1955

5.6