1980

7.2

2020

7.0

2003

6.6

2000

6.8

1989

7.1

2016

0.0

2003

6.0

1982

0.0

1957

6.3

2017

10.0

1977

6.9

2017

8.6

2017

8.6

2025

0.0

2007

5.1

1997

6.5

1998

7.4

2003

0.0

2014

7.0

2022

7.0