2018

5.7

1968

6.9

1998

7.1

2004

8.0

1991

6.6

1999

6.8

2004

6.3

2003

5.3

1977

6.5

1993

7.7

2004

6.8

1960

6.5

2001

6.8

1991

7.4

2006

5.8

2003

7.4

1987

7.1

1965

6.4

2013

6.7

1994

2.0