1979

6.9

1979

7.4

1989

7.2

1972

8.7

2024

6.8

1987

7.6

2001

7.4

1998

8.2

2016

4.3

1994

8.7

1991

7.5

2019

3.7

2025

6.0

1988

6.3

1977

6.6

1983

7.3

2007

6.7

1993

7.3

2014

5.5

1949

7.1