1963

7.1

1967

6.6

2001

7.9

1974

6.5

1981

6.5

2006

7.5

1986

7.8

1972

8.7

1999

7.4

2007

6.1

1995

6.0

2025

0.0

2017

7.8

2005

5.4

1991

0.0

2022

6.6

2003

5.8

1994

8.3

2005

6.7

2009

0.0