1982

6.3

1966

6.2

1988

5.2

2020

6.5

2024

7.6

1993

6.1

1982

5.9

2004

6.0

2006

5.0

1987

6.5

1990

6.6

2020

6.4

1990

6.0

2022

7.2

2007

5.6

2005

4.9

1996

7.3

2013

7.9

2006

6.7