2006

6.3

1997

7.0

2020

9.3

2020

6.5

2001

6.1

1960

6.7

1995

6.9

2019

0.0

1987

3.6

1979

5.5

0.0

2015

4.6

1988

4.7

1962

5.5

2020

6.1

2013

7.8

2013

4.4

2018

5.0

2021

6.5

2015

0.0