1990

7.0

1984

6.9

1946

6.7

1960

7.2

1988

6.3

1985

5.7

2008

3.4

1964

5.8

1938

4.0

2005

0.0

2007

0.0

2015

0.0

2014

7.8

0.0

2023

6.2

2022

0.0

2023

5.8

2023

6.1

1968

8.0