2007

5.7

1953

4.8

5.4

2011

5.6

2017

5.9

1972

6.5

7.8

6.4

6.5

2012

6.2

2020

6.4

2010

7.1

1993

7.7

2010

7.0

1975

6.9

2022

5.0

1985

6.8

6.3

2001

4.3