1994

6.8

2007

8.1

1965

6.8

1991

7.0

2012

7.5

1993

5.5

1997

6.2

1982

0.0

1987

7.9

2010

6.6

2011

5.9

2021

8.0

1995

7.8

2023

9.4

2002

7.4

1985

6.8