2001

6.0

2017

7.4

2015

5.3

2018

6.0

2017

6.5

1998

6.8

1992

6.3

1969

6.6

2011

7.0

1999

7.6

2021

7.4

2017

6.5

2023

8.4

2014

6.5

2006

6.0

1984

7.3

2006

6.2

2026

0.0

2002

6.1

2015

6.9