1931

5.8

2001

6.9

1984

7.0

10.0

2019

8.7

1957

7.2

1995

7.8

2007

10.0

1959

6.4

1981

6.0

2023

7.1

2000

9.4

1985

6.8

2018

6.8

2020

8.1

1969

4.7

2007

7.4

2013

7.7

2016

7.6

2006

8.6