2000

4.2

2010

5.3

2017

9.4

2024

9.1

2017

6.2

1965

5.5

2010

7.0

1968

6.9

2011

6.6

1943

6.4

1972

6.3

2023

5.9

2009

6.2

1911

6.6

2019

6.4

2023

6.1

1985

6.8

2008

6.5

2022

7.2