1998

8.7

2008

7.9

2025

7.2

2004

4.4

1990

6.9

2021

7.5

2016

5.2

2012

8.1

1992

7.0

2022

8.5

2007

8.0

1992

6.0

1990

7.1

2024

6.5

2008

7.6

1972

7.7

2017

7.5

1982

7.7

2010

6.8

2005

7.6