1987

5.7

2023

6.7

2021

7.0

1988

6.4

2025

6.6

2020

6.5

2024

7.1

1969

7.7

1996

8.0

2014

5.6

2008

6.8

2004

7.1

2023

7.4

2005

5.7

1948

7.5

1986

5.6

1986

6.2

1962

7.3

2025

7.3

1993

6.5