2003

6.6

1988

6.8

1985

8.3

1997

7.9

1990

7.4

2007

6.3

2006

6.4

2014

6.5

1995

8.0

2006

7.0

1992

6.8

1987

7.3

2022

8.2

2016

8.5

2017

6.1

2011

6.7

2023

8.4

2007

7.1

2009

7.6

2003

6.7