2004

6.8

2023

7.1

2017

7.0

2001

7.4

1985

7.6

2004

7.3

1998

7.3

1999

7.7

2002

8.0

1995

6.0

2001

8.1

1995

6.9

1989

8.0

2013

7.8

2019

7.8

2002

8.6

1984

4.5

2005

7.2

2024

8.6

1976

5.5