1999

7.5

2014

7.2

2015

8.0

2025

9.5

1987

7.8

1979

5.0

1991

9.5

1993

5.0

2023

4.5

1995

6.2

2016

7.0

2006

8.0

6.3

2013

6.7

2021

9.0

2012

3.7

2019

8.0

2023

7.0