2000

4.2

2002

6.5

2006

6.5

2020

6.6

1989

7.0

1993

7.3

2015

7.3

1997

5.6

2004

4.3

2007

6.8

2022

8.0

2023

7.0

2009

7.1

1991

5.1

1999

5.8

1982

6.2

2024

0.0

1992

4.7

2019

6.7

2017

9.0