1991

5.9

1974

5.2

2003

6.2

1977

6.8

1990

6.4

1996

5.9

1977

4.8

2011

3.6

1991

5.6

2020

5.1

1991

4.8

1963

2.7

1992

8.2

2017

8.0

2023

7.0

2019

0.0

2010

2.0

2013

6.0

2012

7.0

2008

6.0