2005

7.0

2017

6.3

2007

6.9

2019

4.2

2023

6.8

1984

7.0

2005

7.1

1964

7.6

1956

0.0

1939

7.6

1955

0.0

1954

0.0

1981

0.0

1961

6.8

2005

5.5

2018

7.4

2022

7.2

2001

7.8

1988

7.5

1989

5.0