1999

7.3

2002

7.3

2003

7.2

1997

8.3

2000

7.9

1984

7.8

2002

7.5

2006

7.8

2017

8.1

2016

0.0

1988

6.0

1994

7.7

2005

7.4

1978

8.2

2023

0.0

1991

1.0

2012

6.5

2013

6.0

1993

8.0

2002

0.0