2007

6.3

2004

7.3

2015

6.5

2019

6.0

2007

5.7

2000

6.8

2009

7.9

1980

0.0

1980

0.0

1991

6.0

1968

0.0

1968

0.0

2023

6.0

1998

7.4

2005

8.0

1959

7.8

1982

7.3

0.0

1980

0.0

1977

0.0