1985

7.9

1978

9.7

2016

7.0

2021

7.9

2002

8.2

2014

7.7

2007

7.8

1968

7.3

2023

7.4

2018

7.1

1984

6.8

2024

6.7

2004

8.4

1972

7.7

1998

7.5

1958

7.5

2016

6.2

2022

7.3

2016

8.4

2011

7.3