2009

6.8

2021

4.0

2020

0.0

2020

0.0

2003

8.3

1977

5.6

1968

6.9

1979

4.7

2019

6.7

2018

4.3

2020

6.1

2020

5.8

1971

0.0

2016

7.0

2011

6.0

1955

5.9

1947

5.8

1979

6.9

1947

7.5

1976

7.0