1931

8.3

1989

7.7

1925

8.0

2002

7.2

1959

7.9

2001

6.9

1979

7.7

1977

7.7

1968

7.1

1962

7.6

1972

6.9

1976

5.3

2022

0.0

2020

6.4

2023

0.0

0.0

1974

5.2

2022

4.5

2016

0.0

2004

5.6