1977

4.6

1971

5.2

1988

6.3

1974

2.8

1969

4.0

1985

5.0

1984

4.8

2023

0.0

1949

6.9

2002

4.5

2015

7.5

1990

7.4

1992

6.8

1997

5.3

2005

4.9

1977

5.1

1977

5.7

1982

5.8

1995

3.5

1973

4.7