2020

9.8

1998

8.6

2015

6.8

2025

9.6

2004

8.3

1985

7.9

1997

7.1

2023

9.3

1993

7.0

1967

7.7

2012

7.3

2013

7.7

1954

8.5

2011

5.9

2024

8.8

2007

7.4

2006

5.4

2001

6.8