1972

4.0

2002

6.1

1969

7.6

1973

6.8

1973

6.4

2021

7.7

2016

6.5

1973

7.2

2015

7.4

2010

7.9

2025

5.0

1968

3.3

2027

0.0

2020

6.0

2006

6.4

2004

7.3

1993

6.2

2006

5.9