1997

7.5

2018

8.4

2007

8.9

1986

6.0

2014

9.0

1994

4.3

2004

5.9

2012

10.0

1995

6.2

2022

3.0

1960

6.0

2007

9.0

2009

5.3

2016

6.0

2023

4.2

1994

2.8