2000

4.4

1994

7.4

2001

6.0

1985

5.3

2005

7.0

1963

7.4

1999

0.0

2020

6.2

1988

5.3

1984

4.3

1994

7.1

1993

6.3

1991

6.7

2002

6.2

1997

6.8

2005

6.7

1965

7.4

2014

0.0

2019

6.1

2007

10.0