1980

5.7

1972

8.0

2000

5.2

2006

7.0

2018

10.0

2020

6.5

2023

5.0

1984

6.0

1990

6.6

2022

4.0

2007

6.5

2004

6.7

2008

7.0

1952

7.7

2003

7.1

1984

6.3

0.0

2018

4.7

2024

0.0

1985

6.5