1898

5.7

2013

6.1

2016

6.8

2024

6.0

2020

6.4

2014

5.7

2023

6.3

2008

7.6

1997

6.0

2005

9.7

6.6

2025

5.2

7.0

2009

7.2

1986

5.8

2000

7.0

1975

7.0

1968

6.9

1979

6.2

1965

7.1