1988

6.3

2002

6.4

1996

7.8

1995

7.0

2020

0.0

1955

7.3

2013

6.6

2007

6.7

1994

6.1

2007

5.3

1987

6.0

1989

6.6

2018

0.0

2006

0.0

2006

6.2

0.0

2016

0.0

2001

5.9

1997

6.8

2007

7.2