1998

8.3

2001

7.8

2020

6.2

1964

6.2

2006

6.6

1981

3.6

2025

6.0

1962

7.7

1969

3.9

1995

6.9

1942

6.6

2021

0.0

2007

7.3

2022

7.3

2014

9.5

2001

7.0

1976

7.1

2005

5.5

2007

7.4

2023

7.5