2001

6.6

1998

7.2

2003

8.2

2004

8.6

2004

8.3

2020

8.7

1992

5.9

5.8

1996

5.4

1965

7.5

2023

9.1

2023

6.0

2019

7.1

2018

6.6

2018

7.4

2022

8.5

1978

9.7

1993

6.6

2003

7.6

1983

7.3