1985

6.8

2020

6.4

1958

5.2

1972

6.5

1975

6.9

2020

6.3

7.8

2009

8.5

1972

6.3

2020

9.4

1921

6.5

2007

5.7

2017

4.5

2013

9.6

2015

6.5

2015

6.3

1964

4.6

1966

6.2

1999

5.0

1980

5.5