2010

7.4

2017

6.6

2022

6.2

1999

5.9

2022

6.7

1975

6.3

1966

6.7

2018

6.6

2016

5.5

1949

5.1

1982

7.6

2002

6.0

1959

6.1

2015

7.9

1991

4.9

2017

6.0

2023

9.2

2005

4.3

2011

6.7

2019

5.5