2002

7.1

2006

8.0

1972

7.8

1989

6.0

1999

7.8

1985

7.1

2007

6.1

2005

6.6

1982

0.0

1998

7.4

2007

6.2

2014

7.1

1991

2.0

2003

6.3

1967

3.3

2017

6.2

1970

6.9

2002

6.5

1975

7.9

2022

6.9