1986

5.6

2023

7.0

2006

6.2

2019

7.8

2025

6.5

1998

6.3

1989

7.3

1964

7.4

1958

6.6

1952

6.7

1964

7.1

2010

6.8

2017

7.0

2022

6.9

2020

6.2

1960

7.3

1981

5.9

2004

7.2

2023

7.7