2016

5.9

1979

7.6

2009

5.3

1984

6.2

2011

5.5

1991

5.6

1998

6.1

2025

7.0

1961

6.3

2015

8.0

1988

6.1

1980

6.1

1987

7.1

2025

6.4

1985

4.3

2017

6.9

1981

7.1

1994

5.7

1988

6.9