1973

4.3

2007

6.1

2015

7.8

2018

6.6

2017

6.5

2011

7.1

2012

8.1

1974

0.0

1990

6.1

2003

5.9

1983

6.6

2002

6.8

1950

5.3

2023

6.5

2019

6.5

2024

5.5

2020

5.0

2008

3.0

2019

6.5

2016

4.9