1991

5.8

1979

2.8

2023

4.6

1966

4.6

2001

6.0

1976

4.8

1957

5.5

2024

6.0

2008

7.0

1959

4.3

2018

7.1

2009

6.2

1968

5.5

1961

5.9

1977

4.9

1962

5.8

2005

5.9

1982

6.0

1980

2.8

1991

7.6