2004

6.6

2006

6.4

1993

5.3

2010

7.0

2011

5.3

1987

7.5

2022

6.0

1998

7.4

2023

8.1

1995

6.8

2003

8.5

2021

7.7

1988

6.2

1998

6.3

2009

6.5

2020

7.3

2005

7.3

1999

8.4

2022

6.2

1991

7.0