1991

7.4

1998

7.4

2017

7.5

2019

0.0

2003

6.9

2021

0.0

2019

8.0

2020

5.5

2000

5.4

1966

8.2

2024

0.0

1983

6.7

2015

0.0

1984

6.9

5.3

1950

6.6

2012

5.0

1974

6.5

2018

7.8

1969

0.0