1976

7.1

1978

6.9

1981

5.5

2000

5.6

2001

5.3

1997

7.0

1960

5.4

2002

5.9

2003

5.6

2021

0.0

2017

8.0

2005

6.7

2000

0.0

2012

5.5

2024

9.3

2023

0.0

1990

0.0

2018

0.0

2016

10.0

2014

7.0