2004

5.5

1960

6.1

1968

3.5

2023

7.2

2001

5.1

1988

7.1

1969

3.5

1993

7.7

2002

5.5

2009

7.5

1975

5.6

1976

5.6

1968

7.6

2007

4.2

2013

6.7

2003

7.8

2006

7.4

1995

4.0

2000

3.7

2014

6.3