1960

7.2

1989

5.7

2019

6.9

1995

7.8

2024

6.9

1991

5.9

1958

7.0

1964

7.1

1949

7.4

1977

6.3

2006

4.6

2024

5.8

2005

5.2

1993

6.9

1989

6.0

1976

5.7

1976

6.7

1985

5.3

2018

6.4

2023

6.7