1991

6.2

2022

3.2

2003

6.6

2014

8.5

1972

7.7

2012

9.3

2010

6.0

2021

5.2

2019

6.2

2020

10.0

2002

2.6

1931

5.8

1982

4.8

2006

6.7

1915

10.0

1981

6.0

2020

10.0

4.0

2020

6.5

2006

5.0