2011

6.4

2019

6.6

2012

5.8

2007

5.7

2011

5.6

2017

5.9

1966

6.2

1985

6.9

2022

6.3

2020

6.7

2020

6.5

2015

6.6

5.3

1987

6.0

1989

5.5

1980

5.9

2024

6.6

1993

6.5

2023

6.4

1984

6.5