2001

9.9

1993

6.2

2014

5.9

2002

5.4

2025

5.0

2008

5.2

2017

7.7

2007

3.3

2015

9.2

1952

7.6

2019

5.2

2020

5.0

2021

5.0

1984

6.5

1940

5.8

1984

6.7

2009

7.6