1993

5.5

2014

4.5

2012

6.0

2003

5.8

1989

5.8

2012

5.9

2020

6.0

2013

8.1

1993

7.0

2016

4.2

2008

7.8

2021

6.2

1964

7.4

2018

7.0

2022

8.2

2015

5.1

2020

3.7

2009

7.3

5.0

1995

6.6