2023

9.3

2022

9.9

2019

6.7

1999

6.8

2016

6.8

1972

7.5

1992

6.1

1980

5.9

2013

6.5

2006

6.1

2013

6.9

2004

5.7

1993

6.5

2003

6.8

2006

6.7

2022

7.8

2020

6.5

1997

6.6

2014

8.0

2013

6.2