1992

8.0

1998

6.0

2012

9.3

1980

5.9

2015

6.6

2017

5.5

2023

6.6

5.4

1933

6.2

1978

5.9

1994

5.8

2001

6.8

2015

7.4

2024

7.7

1980

6.6

2022

6.5

2006

5.7

1972

6.3

2016

6.8