2004

8.3

1992

5.8

1993

6.6

2006

7.9

5.8

2001

6.6

1998

7.2

1976

7.0

1996

7.3

2006

8.2

2023

6.8

1996

5.4

2017

7.3

2016

7.9

1981

7.2

2024

9.1

2017

6.8

2017

10.0

2015

7.0

2007

9.0