1977

5.4

1972

6.3

2024

7.2

6.6

2003

7.2

1997

6.9

1985

6.8

2013

6.1

2010

7.9

2006

5.9

2027

0.0

2008

6.7

1949

6.2

1973

5.0

2018

6.3

2023

6.8

2023

7.0

7.0

2025

8.2

6.6