1999

7.2

7.8

2010

7.9

2014

9.5

2018

5.9

2009

6.5

1995

6.6

2003

8.0

2016

7.5

2017

4.7

2022

5.8

1970

5.0

1894

4.5

2007

6.0

2023

5.5

2012

6.0

1992

4.6

2024

10.0

2021

6.7