2007

5.4

2011

6.9

2014

8.0

2015

6.4

2009

7.5

2006

7.8

2020

6.4

2019

7.6

1953

7.2

2015

8.0

1975

8.4

2024

7.2

2023

6.8

2021

7.3

1977

6.7

1966

6.1

6.6

2011

7.4

2010

7.9

1999

7.4