2016

6.8

2023

0.0

2023

0.0

1981

7.2

2005

8.2

2006

7.9

2005

7.6

1995

6.2

1964

7.4

2001

7.8

1985

7.0

1985

7.5

1988

4.6

6.8

2000

6.5

1978

6.1

1979

6.1

1975

6.9

2003

9.0

2009

4.3