1987

6.9

1964

5.8

2017

6.4

2011

5.3

2024

6.0

2021

7.4

1915

3.5

1974

7.0

2003

5.7

2023

1.0

2022

9.0

2013

7.4

2012

6.0

2023

6.4

1983

0.0

2013

7.0

1969

8.8

2022

6.5

1998

4.8

2025

5.8