1997

0.0

2025

0.0

1999

6.1

2002

4.4

1974

7.9

2001

6.8

1972

4.4

2008

6.7

2010

1.0

1976

7.2

1977

6.2

2017

5.4

1966

6.5

1967

6.6

1965

6.3

1964

6.5

2015

3.5

1970

0.0

2008

4.1

2016

5.7