1998

6.8

1999

7.9

2001

6.3

1987

7.8

2016

0.0

2025

6.0

1996

5.7

2018

0.0

1957

7.9

1973

7.5

1946

8.3

2001

7.3

1998

0.0

2019

5.1

2007

5.0

2000

6.4

1995

6.5

2002

7.0

1974

4.8

1986

6.3