2019

6.0

2001

6.8

2000

5.6

1998

6.7

1985

7.1

1981

0.0

1975

8.0

2007

6.5

1988

7.4

1991

7.4

2009

5.9

1992

5.8

2009

6.5

2023

10.0

2001

0.0

2003

8.1

2015

8.0

1970

5.6

2003

7.0

1954

6.1