2004

5.7

2007

7.1

2002

6.2

1950

3.8

2000

5.2

2000

6.7

1996

5.6

2022

6.2

2010

5.6

2020

7.0

2006

5.5

2023

6.0

1978

10.0

1962

5.6

2021

0.0

2021

6.0

1953

4.5

2014

5.7

1990

9.0

2018

7.0