2018

6.5

2020

6.4

2000

6.9

1980

6.6

1962

6.9

2019

6.8

1953

7.1

2002

7.4

1952

6.7

6.6

2001

6.0

2024

6.0

1972

7.9

1999

7.5

1975

7.0

1945

7.6

1998

7.2

1965

7.4

2019

5.8

2017

6.5