2020

6.4

2022

6.9

2024

6.8

2015

6.4

2021

6.7

1958

5.6

1975

7.0

2003

5.3

7.0

2022

7.3

2016

6.2

2015

6.6

2003

6.2

1989

7.0

2008

7.1

1984

6.5

2023

6.5

2016

6.1

2024

7.2

1990

5.5