2006

7.4

1981

8.1

2000

7.0

2013

6.8

1939

5.3

1958

6.0

2023

1.0

2026

0.0

2016

5.2

1946

5.9

2008

6.6

2002

6.2

1935

7.0

2021

7.2

2021

5.6

1996

6.7

1973

6.8

1910

6.0

1920

6.9

1925

6.7