1994

5.3

1992

0.0

2005

7.5

1963

7.9

1984

4.7

1978

7.8

1997

0.0

1985

5.6

2008

5.9

1991

0.0

1991

6.4

1991

6.2

2002

7.1

2008

5.4

1979

6.9

2016

7.6

1994

6.0