1996

7.5

2003

8.3

2010

5.5

1967

6.5

2018

6.0

1931

5.8

2021

6.2

1965

6.8

2023

6.3

2009

6.6

2004

7.1

1990

4.4

2022

5.6

1985

6.4

2009

5.5

6.6

2007

8.6

1968

6.9

1981

6.5

2004

6.5