1951

7.1

1966

7.5

2007

6.4

1974

7.2

1949

6.5

1999

7.7

2008

6.3

1984

7.5

2006

6.5

2021

7.2

1979

6.9

1959

7.9

2000

7.1

2003

6.3

1959

5.8

2025

0.0

1950

7.0

1993

7.4

2023

7.2

1986

0.0