2023

7.1

2022

4.5

2020

7.2

2021

6.2

1983

4.6

2007

9.8

2003

6.4

2001

10.0

2006

5.9

2019

6.1

2017

8.6

1972

6.6

2017

4.9

2018

6.5

2011

3.1

1992

6.7

2009

6.7

2013

6.0

1963

5.6