1939

7.6

1971

7.7

2018

5.1

2007

6.9

2014

7.9

1956

6.6

1998

5.7

1973

6.8

1987

4.0

2024

7.0

2019

6.9

2001

7.7

1999

5.7

1931

6.8

2006

5.8

1976

0.0

2022

7.1

2000

6.3

1971

7.5

2005

6.7