1977

5.0

2018

7.5

2001

7.2

1999

4.0

1979

4.0

1985

2.0

2017

6.5

2023

0.0

1976

6.0

2005

8.0

2010

6.6

2000

5.1

2005

5.7

1966

7.0

2007

8.2

2011

7.8