1990

6.1

2019

6.3

1952

6.7

0.0

2024

6.8

1939

7.8

1986

7.6

1972

6.6

2020

6.0

2001

6.0

1941

7.0

2000

6.9

2011

7.8

1985

8.2

1975

7.5

2008

7.2

1985

6.7

1995

6.4

2007

5.8