1965

5.5

2009

8.8

1982

6.5

1990

6.1

2006

6.7

2016

6.8

2021

8.2

1990

6.2

1925

7.3

2023

7.8

1958

4.2

2003

8.7

2017

8.4

1974

5.0

2020

7.2

2007

5.2

1978

7.0

2013

6.0

1992

6.5