1983

5.8

2019

6.5

2008

2.0

2001

6.9

2021

0.0

2000

7.1

1994

6.8

1987

7.6

2022

6.8

1960

7.5

1984

6.9

1994

8.7

1943

8.2

2002

7.0

2000

5.9

2004

6.8

1954

8.5

1930

7.2

1937

7.8

1996

7.3