1966

6.1

2010

6.8

2021

6.2

1993

7.4

2018

6.5

1972

6.3

1987

6.9

2009

6.6

2023

9.0

2020

6.4

2011

5.4

2015

6.4

2013

5.2

2018

6.3

2019

8.7

2014

5.2

2014

6.6

2023

7.1

1969

4.7