2008

7.8

2003

8.7

2014

7.0

1988

6.5

2018

7.6

1966

6.3

2017

6.6

1968

6.8

1965

6.7

2020

6.4

2023

6.0

2011

6.5

2001

6.8

2012

5.5

2018

5.9

2021

5.6

1980

6.4

1999

8.0

2023

5.9

1987

6.1