1960

5.3

1961

5.4

1997

2.0

1996

3.0

1958

4.4

1963

8.0

1966

5.3

1965

5.0

1959

5.2

1965

5.3

1961

5.2

1957

5.9

1969

4.3

2009

5.0

1960

5.6

1957

5.3

1962

6.6

2012

6.2

2011

5.5

1994

0.0