2002

6.2

1994

6.7

1996

5.8

1965

4.8

1971

7.2

2005

6.7

1991

5.7

2004

7.1

1947

5.0

1991

5.9

2019

5.8

1992

7.2

1994

6.5

1980

5.5

1997

7.1

2006

6.5

2023

6.0

1985

6.7

2003

6.3

2001

6.0