1988

6.3

2009

7.6

2005

5.4

1996

5.8

2021

9.2

2017

9.5

2001

9.4

1997

3.5

2020

6.0

2025

5.9

1904

4.6

2016

6.7

1988

5.3

2014

8.0

2024

5.8

2003

4.5

1938

7.0

2022

5.5

1986

3.8