2006

5.3

2018

8.0

1992

6.7

1998

7.7

1987

6.0

2005

7.0

2001

6.8

2005

8.0

2024

7.0

2007

7.1

2023

6.7

2020

3.3

2021

8.3

1976

7.0

1989

6.7

2008

7.0

1954

5.5

1980

5.0

1999

7.5

1990

6.9