1983

6.0

1996

7.1

1987

6.9

2021

8.4

1970

6.4

2015

7.7

1991

7.5

2019

8.0

2003

6.2

1986

7.5

2004

8.5

1990

7.8

2013

7.7

2024

9.0

2002

7.4

1983

7.9

1968

7.3

1999

7.4

1995

5.8

1974

4.8