2000

5.0

1998

6.0

2015

7.4

2015

6.6

6.6

1993

6.5

1985

7.0

1980

5.9

2008

6.7

2023

6.8

2019

6.6

2020

6.7

1972

6.3

2023

6.6

2024

7.7

2009

8.5

2012

6.3

2022

6.5

2012

9.3

1958

5.5