1996

5.6

2013

5.3

2002

6.2

2002

6.7

2002

6.6

1999

5.5

2009

5.8

2025

6.2

2002

6.4

0.0

1995

7.6

1981

6.6

1974

5.9

2024

6.9

2017

5.9

1954

6.0

1949

7.8

1998

7.2

2024

5.6

2009

3.0