2005

6.5

1979

7.8

1999

6.9

2025

0.0

2000

6.8

1997

6.5

2003

6.5

2000

5.4

2022

5.7

1981

6.8

2014

6.0

1999

6.4

1996

6.3

2024

9.0

1952

7.6

2006

5.8

1989

6.7

2008

7.4

2020

5.8

2004

7.5