2020

5.5

1993

5.6

1995

5.9

2021

5.4

1965

6.8

5.6

1994

5.9

2018

4.5

2014

6.6

2010

7.9

2008

7.7

2016

5.8

2005

6.0

2013

7.7

1931

5.8

1962

6.9

1971

4.7

1966

6.3

2020

6.1

1972

6.2