1997

6.8

2024

6.5

2015

7.8

2006

8.2

1962

7.9

2002

6.6

1995

7.3

1943

7.7

1975

7.5

1993

7.4

1980

8.1

2003

7.2

2016

10.0

1999

6.8

1984

0.0

1998

6.9

1951

6.5

1994

4.5

2025

0.0

1970

2.8