1968

6.4

1961

6.9

2020

6.4

2015

6.3

1958

5.2

2020

6.3

1972

6.5

2004

5.9

1966

6.5

2013

7.5

1955

7.2

1975

6.8

1989

8.1

2017

4.5

2022

6.8

1972

6.3

1965

7.0

2011

6.3

1999

7.1

1993

7.0