2015

6.4

2021

6.2

5.0

1999

6.6

2013

6.1

2023

9.1

2013

6.1

6.4

2012

5.8

1911

9.5

1975

4.5

6.2

2024

6.7

1992

6.3

2018

7.2

2021

5.7

2023

7.6

6.8

2017

6.0