7.8

2000

5.2

1981

5.9

2012

9.1

1980

6.4

2009

3.8

2002

8.4

2019

6.5

2009

7.5

2023

6.3

2002

7.4

2015

7.6

2010

6.7

2023

8.0

1995

6.9

2007

5.7

2022

5.8

2006

6.6

2011

5.5

1967

8.6