1968

6.9

2016

6.6

2024

7.4

5.0

2020

7.4

2020

5.2

2013

5.3

2001

6.0

2023

8.0

1982

0.0

2012

5.9

2012

6.3

1980

6.2

2012

6.9

1994

5.8

2012

6.4