2018

6.5

6.6

1972

6.3

1972

6.6

2020

6.4

2015

6.6

2023

6.8

2024

7.2

1990

4.4

2012

9.3

2011

6.4

2009

6.2

1953

4.8

1985

6.1

1975

7.0

2010

7.9

2008

5.8

2017

7.2

2002

7.8

7.0