1998

0.0

1986

6.0

1999

5.7

1979

6.3

2020

5.3

1994

4.0

2010

7.0

2006

5.0

2004

7.0

1998

7.0

1994

7.5

1976

6.7

2003

7.6

1998

6.2

1983

5.0

1976

7.5

2023

9.0

2022

6.6

1993

7.0

2007

7.6