1988

6.0

1992

6.0

1985

7.3

1952

4.8

2007

5.6

1998

5.8

2024

8.1

2009

6.6

2010

8.0

2021

5.3

1934

6.0

1993

4.4

2005

6.7

2001

7.0

2002

7.1

2003

6.3

1967

7.3

2017

6.5

2025

7.0

1985

0.0