1976

3.3

2013

4.8

1972

3.2

2022

6.4

2001

3.8

2002

3.4

1999

3.2

1970

3.8

1970

5.5

1970

5.8

1974

5.5

1974

3.8

1971

6.0

1990

2.0

2002

5.0

2003

1.5

1973

4.8

2008

4.0

2009

6.0

1986

4.0