2003

5.0

1996

5.3

1983

6.5

1990

6.4

1992

6.9

2015

5.1

2017

8.1

2020

6.5

1989

5.8

2002

8.4

2024

7.1

1995

7.5

1990

6.5

1989

5.9

1989

7.6

2019

6.1

1993

7.2

2023

6.8

2014

4.6

1969

6.6