2004

6.3

2014

6.8

1996

6.7

1976

5.2

1960

8.0

2007

6.4

1994

6.7

1990

6.5

2002

6.6

2025

10.0

1972

7.4

1998

6.2

2019

7.4

1998

6.4

1997

6.4

1997

6.5

2007

7.0

2007

5.0

1961

6.0

2003

4.9