1982

6.4

2020

7.3

1996

8.0

2016

6.0

2018

8.2

2005

9.7

2014

7.5

2009

7.5

1939

5.8

2015

8.5

2023

0.0

1990

5.8

2012

6.4

1986

7.3

2019

8.7

2007

8.0

2015

8.2

2018

6.7