2010

4.9

1993

5.6

2016

6.7

2019

5.4

5.7

1994

4.5

1980

5.9

1974

6.4

2012

5.4

2016

7.5

2017

4.8

2016

5.3

2023

7.4

2013

6.0

6.8

2012

6.0

2021

1.0

1953

2.9

1938

7.0