2016

9.7

2015

7.4

6.4

2010

7.0

2020

6.1

2021

6.2

1976

5.9

1931

9.0

2021

7.5

2008

6.9

2015

6.4

7.8

2005

6.0

2003

8.7

1976

7.5

5.0

2022

10.0

1989

7.9

2024

6.5

1912

3.0