1988

6.3

2002

6.4

1996

7.8

1995

7.0

2014

5.9

1955

7.3

2013

6.6

2022

3.8

2001

3.5

2007

6.7

2016

6.5

1994

6.1

1987

6.0

2016

4.6

1989

6.6

1993

5.0

2016

0.0

2001

5.9

2004

1.0

2008

0.0