1983

10.0

1998

6.0

1982

5.9

2021

9.2

2021

6.2

5.0

1975

4.5

2020

6.5

2007

5.7

2003

6.6

2002

7.8

6.4

2005

6.5

5.4

2022

7.9

2022

4.5

2003

7.0

2012

7.3

1949

6.2