2010

7.5

2007

6.7

1982

7.0

2011

9.0

2015

0.0

1994

0.0

1999

7.4

1978

0.0

1998

7.0

2005

7.3

1999

6.8

2002

7.4

1989

7.4

2021

6.0

2013

6.8

2012

6.5

2014

1.0

1994

7.1

1976

0.0

2019

6.9