1949

6.1

2006

5.4

1958

6.9

2008

6.6

2018

4.5

2023

7.8

1954

7.1

1963

7.6

2000

6.6

2014

5.7

1962

5.0

2024

7.7

2024

0.0

1998

0.0

1973

7.4

2003

8.2

1995

7.2

1986

7.2

2009

7.0

2009

6.9