2020

6.8

1985

6.1

2019

6.7

2003

6.3

1980

6.4

1996

6.5

1992

6.5

2000

6.6

2023

6.7

1994

6.9

2006

6.8

1995

5.6

2001

6.8

2011

6.6

1993

6.6

1940

6.2

1988

6.3

2006

6.7

1980

6.5

2023

6.4