1993

6.1

2024

9.9

2019

6.3

2024

7.0

1998

7.4

2011

7.1

1985

6.2

2014

5.0

2010

6.6

2018

6.5

1982

7.6

1966

7.0

1956

7.1

1968

6.9

2020

6.2

2021

7.8

1981

6.1

1977

6.8

2022

3.9

2023

7.4