2020

0.0

2015

7.3

2006

7.8

2005

8.1

2015

9.0

2021

8.6

1968

6.0

2023

6.8

2006

5.4

2003

7.2

1997

8.3

1984

7.8

2009

7.3

2002

7.5

1999

7.7

1987

0.0

1989

4.5

1993

8.0

2001

8.1

2022

7.5