1999

7.0

2020

7.2

2007

6.9

1982

5.8

2023

8.4

2009

6.2

2013

6.1

2023

6.9

1989

6.0

2011

6.3

1965

5.5

2014

8.0

2010

7.0

2007

5.6

2008

7.1

2021

6.4

1997

4.7

2006

6.9

2024

8.1