2012

7.5

2021

6.2

1997

6.3

1975

4.5

2009

8.5

2015

6.4

5.0

1976

5.9

6.4

9.4

2012

8.8

1998

6.2

2014

2.9

1974

10.0

2016

8.0

2007

4.0

2012

9.7

1980

5.0

1987

6.0

2022

5.6