1998

6.2

1991

5.1

1996

5.7

2022

7.4

1941

8.0

2023

7.2

2013

8.7

2009

6.6

2006

5.5

1977

8.0

2017

6.0

2001

6.1

1951

7.2

2012

6.6

1978

6.8

6.3

1961

6.5

1921

8.2

1986

6.8

1994

7.4