1987

7.5

2006

7.0

1992

7.4

1995

7.3

1979

7.7

1981

7.2

1981

6.9

1979

6.7

2006

7.6

1998

7.0

1986

7.0

2008

6.1

2015

7.4

1995

6.7

2024

10.0

2020

8.0

2007

4.9

2021

5.8

2023

0.0

2021

7.0