1992

3.8

1996

5.0

1963

5.9

2003

4.2

2014

6.5

1973

7.6

1995

5.8

1997

4.6

2003

4.8

2016

4.5

2011

3.9

1982

6.1

1969

4.5

0.0

1982

6.1

2002

4.7

2009

6.8

1995

6.8

1988

6.3

2022

7.3