1992

6.9

2023

6.5

1989

8.4

2010

8.1

1969

7.3

1999

8.3

1976

7.9

2012

6.7

2024

8.5

2007

8.0

2017

6.5

1997

6.3

2005

7.3

2010

8.2

2022

7.7

2024

7.5

2021

8.6

2020

7.6

2002

7.5

2022

8.5