1970

5.5

1970

5.0

2021

2.0

1991

4.6

1979

6.0

2025

6.0

1988

5.4

1999

5.2

1973

3.5

1975

5.8

1980

3.4

1983

7.0

1999

4.0

1997

4.0

1989

5.2

1991

5.2

1992

4.7

1999

4.1

2000

4.4

2000

5.2