1977

8.2

1966

0.0

1997

6.9

2016

5.9

2025

6.0

2022

0.0

2005

6.3

1993

6.2

1971

7.4

1981

7.1

2025

8.5

2014

5.0

1991

8.3

1996

7.8

1965

6.3

2000

1.5

2000

6.3

2006

7.4

1995

3.0

1968

5.8