2002

6.4

2013

5.2

2014

6.0

2001

7.8

2005

6.2

1992

5.0

2008

6.8

1964

6.4

1989

6.0

2004

3.8

1998

5.8

1991

5.8

2016

7.9

2011

5.0

2006

0.0

1977

4.1

1984

6.0

2023

10.0

2015

4.6

1928

6.4