2002

6.3

2004

3.8

1998

5.8

1992

5.0

2017

6.7

1977

4.1

2008

6.8

1989

6.0

1991

5.8

2011

5.3

2009

6.0

2015

4.5

2023

6.0

2024

8.1

2018

0.0

2014

3.2

2014

4.0

1930

5.8

1986

5.5