1963

7.4

2010

6.5

1955

6.9

2009

5.9

2021

6.6

2021

6.8

2023

9.0

2005

3.2

2022

5.6

2016

7.1

2012

6.8

0.0

2003

8.1

2015

8.2

2017

0.0

2014

6.4

1990

4.0

2016

7.7

2001

0.0

2015

6.3