2020

5.9

1985

5.9

2013

5.9

1970

7.5

2005

7.7

2013

6.3

2015

7.8

2017

6.0

1963

6.5

1973

6.6

1975

7.5

1964

7.5

2000

6.5

2020

7.6

1988

5.2

1959

7.2

1990

7.3

1995

7.4

1951

0.0

2006

6.2