1993

8.0

2011

7.6

2012

6.8

2004

8.0

2020

6.0

1996

5.2

2020

8.4

2004

8.3

2023

7.0

2015

0.0

2018

5.5

1969

5.4

2002

7.5

1990

8.5

2025

6.2

1976

7.6

2013

6.0

1994

7.7

2021

6.9

2003

7.2