1979

6.8

2006

5.1

1984

6.3

2023

6.2

1985

5.3

1982

5.9

1990

7.3

2015

8.0

2002

7.7

1987

6.0

1988

6.4

2000

6.3

2019

6.5

1942

5.8

1999

6.2

1979

6.1

1993

6.6

1957

6.5

2024

7.1

1988

6.7