1972

7.3

1970

6.5

1982

6.0

1981

5.9

1990

6.7

1979

7.5

2021

7.4

1991

8.3

1994

8.7

2007

6.7

1960

6.4

2003

6.5

1984

8.4

2003

7.7

0.0

2024

6.5

1999

7.5

2006

7.4

2005

7.0

2025

6.2