2007

6.2

1983

8.1

1999

8.5

2003

0.0

2002

8.0

2010

7.4

2020

7.8

2005

7.0

2012

2.4

1998

7.1

1992

6.7

1993

6.6

2000

0.0

2008

6.4

2023

8.6

2009

7.2

2015

7.6

1971

6.4

2016

8.0

2023

7.8