1988

6.7

1993

6.9

1994

6.3

2004

6.8

1961

8.1

2002

5.3

1989

6.4

1985

6.0

1982

6.2

1968

6.3

2002

6.7

1974

6.5

1904

7.2

2023

0.0

2020

6.6

1998

6.7

2013

5.0

1974

6.4

1991

5.7

1992

6.7