2002

6.4

1992

5.0

1964

5.7

2017

8.0

2014

7.0

2008

6.8

2017

4.0

1991

5.8

2011

5.3

1998

5.8

1989

6.0

2004

3.8

2009

6.0

2010

4.7

1977

4.1

2012

7.0

1990

5.4

2022

0.0

2015

4.6

2013

6.1