1929

7.8

1999

5.7

2014

0.0

1989

7.0

1930

6.5

1990

5.9

2004

6.5

1947

0.0

2000

5.8

1998

6.6

1999

5.9

2001

5.8

1998

5.3

1982

7.3

1994

5.1

2002

6.7

1993

6.0

1995

6.0

1997

8.6

2017

10.0