1962

6.0

5.6

2009

4.6

1990

4.4

2002

6.1

1988

5.5

2018

6.3

2020

6.4

2010

6.1

1972

6.8

1957

8.1

2015

6.6

7.0

1949

6.9

1989

5.8

2024

6.0

2024

7.3

2009

6.6

1991

5.8

1996

5.8