2013

4.1

1998

7.5

2020

7.5

2004

5.9

1976

3.3

2005

7.7

1977

2.5

1974

4.2

1972

3.2

2020

6.4

1978

5.0

1974

4.8

1990

4.7

1970

3.0

2006

3.5

1993

6.2

1991

4.7

2020

2.0

2002

4.0

1975

6.2