1998

6.0

5.0

2009

7.4

2007

5.7

2021

6.2

6.5

2009

5.6

2002

5.4

1975

4.5

2012

7.3

1982

5.9

2021

9.2

2005

6.0

2023

10.0

2017

6.1

2011

7.2

4.9

1972

6.5

2005

7.5

1958

3.0