1969

6.3

2024

6.4

1988

5.0

2001

6.4

2015

2.0

1986

2.0

1979

5.4

1969

8.0

1999

4.4

1970

4.6

1970

2.0

1991

7.3

1972

5.8

2003

6.1

2005

6.8

2023

4.6

2004

2.0

2018

4.5

1972

7.1

2006

6.6