0.0

1991

7.7

1996

7.0

1997

8.3

1983

6.3

2004

7.4

1972

7.0

2025

8.0

2022

6.8

1996

8.7

1988

7.5

1971

8.1

2015

7.8

1986

7.9

1990

7.4

2004

8.5

2022

4.4

2000

6.9

2002

7.2

2008

7.7