2021

6.7

2015

6.6

2024

6.4

2012

5.8

2018

6.5

1985

6.1

1980

5.9

7.0

2013

7.7

1939

7.1

1980

6.6

2024

6.8

2023

6.7

1985

6.8

2023

6.5

2009

5.6

2024

6.0

2016

6.7

2019

6.5

2013

6.1