1994

7.0

1993

6.4

2006

6.9

2006

7.9

1999

6.8

1998

6.8

2001

7.4

1998

8.2

1976

7.7

1985

6.2

1982

7.6

2000

7.5

2017

7.0

2025

0.0

2016

7.1

2023

6.3

2022

7.8

2020

6.0

1962

8.0

1997

7.2