1977

5.4

1976

4.8

2017

5.1

2011

5.3

1977

4.2

1996

6.7

1974

6.6

1982

7.0

2024

7.7

1972

8.0

1963

9.0

1994

4.9

1976

5.7

1991

10.0

1989

4.0

2020

6.0