2004

6.2

1997

6.1

1989

7.4

1999

7.2

1969

7.7

1961

6.5

2002

5.1

1938

7.5

1998

6.2

2020

5.6

2009

7.2

1994

7.4

2012

5.5

2022

6.1

1989

6.6

1984

6.7

1988

6.2

1991

7.4

2000

6.0

2002

4.5