1982

5.7

2020

7.4

2003

5.4

1999

7.2

1977

8.0

2002

6.9

2023

6.4

1968

6.9

1997

7.7

1990

7.2

2024

6.2

1965

7.5

1968

7.0

2016

6.6

1972

7.1

1925

7.5

2011

6.6

1959

8.0

1973

7.1

1984

7.2