1983

6.0

2024

8.0

2006

5.3

1992

7.3

2006

4.8

2002

5.1

2007

6.0

2017

6.5

2021

6.2

2019

7.3

2009

8.1

1987

6.8

1973

6.0

1958

7.7

1963

7.1

2006

7.0

1999

7.7

2001

6.2

2003

7.4

2008

6.3