1981

7.6

2002

6.8

2000

7.1

1966

6.3

1986

6.9

2024

6.2

2014

6.0

2008

5.6

1980

6.6

2017

6.0

2009

6.2

2022

0.0

2023

0.0

2019

7.7

2012

3.0

1974

6.0

1951

5.0

2005

0.0

2000

0.0

2014

6.9