1974

6.5

2017

6.9

2000

7.2

2009

6.5

1971

6.4

1973

6.8

1966

7.5

1963

7.1

1984

7.3

1986

6.8

1928

6.0

2017

7.6

2019

7.0

2023

4.5

2008

6.3

2024

8.4

1999

7.1

1972

8.7

2020

5.2

1927

8.1