2004

7.2

2000

6.2

2007

2.4

1943

6.1

1984

5.2

1963

6.6

1963

6.3

1998

7.9

2018

6.9

2019

6.8

1978

6.3

1967

5.3

2023

7.1

2023

8.5

2020

7.3

1968

6.6

1971

6.5

2025

7.0

2024

7.5

2008

7.0