1965

6.8

2006

5.7

1984

7.1

1958

7.8

1968

8.1

2002

7.4

2012

7.1

2024

7.6

2025

6.3

2002

7.1

1974

7.0

1971

7.7

2015

6.0

2005

6.5

1981

6.2

1997

6.4

2014

5.4

1962

8.4

1958

8.0

2007

7.4