1980

7.7

1988

7.8

2023

10.0

1993

7.5

1999

7.2

2006

6.7

2007

4.6

2008

6.3

2021

4.6

2023

7.9

2007

6.0

1948

0.0

1992

6.8

1997

7.6

2023

9.2

2022

6.8

2017

5.4

2009

7.3

2024

10.0

1994

6.8