1968

6.6

1947

7.0

2017

4.4

1947

7.3

2015

6.0

1962

6.9

2010

7.2

1999

7.2

2010

6.7

1977

6.8

1974

6.8

2019

7.3

2009

7.1

1990

6.1

2016

7.9

2023

6.8

1896

5.2

2021

6.0

1979

7.0

2016

5.2