1996

6.3

2000

6.5

2004

7.2

2024

7.2

1986

6.9

2003

6.5

2007

6.6

2020

3.6

1985

6.2

2008

6.6

1977

5.9

2014

0.0

2020

0.0

2017

5.8

1993

7.1

1989

6.3

1983

6.7

1987

6.6

1982

7.4

1994

5.3