2013

5.0

1967

7.8

1987

6.4

1989

7.3

2002

4.4

2006

5.6

1991

5.5

2000

5.2

2011

7.1

1988

7.3

1997

6.2

1968

6.7

2005

5.2

2013

4.7

1967

6.4

2003

6.4

1984

7.3

1973

5.6

2019

7.1

1939

7.9