2018

8.0

2020

7.4

2017

6.8

1985

6.2

1989

4.9

1968

6.0

2010

6.6

1973

6.9

1992

8.6

2013

8.4

2023

7.7

1996

7.5

2000

5.2

1935

6.3

1984

7.2

2023

6.7

2024

5.5

1934

7.3

1941

7.0

1989

5.3