1952

7.7

1959

7.8

2006

7.1

2002

7.0

1968

8.3

1957

8.5

2000

7.0

2022

7.1

2011

8.0

1998

6.9

1947

7.6

1992

7.4

1954

6.7

2023

6.7

2002

5.7

1986

5.8

2000

5.7

2023

0.0

2019

0.0

1984

0.0