2018

6.5

2014

5.6

2020

6.1

1972

4.0

1964

7.4

1993

8.0

2003

8.5

2021

9.2

2023

6.5

7.8

1991

5.7

2021

7.7

1987

7.3

2010

7.0

2012

5.8

2011

6.8

2015

7.4

1964

5.0

2021

7.4

2005

6.5