2021

6.4

2018

6.0

2012

3.8

2011

8.0

1999

6.2

1931

6.0

1990

4.7

2023

5.3

2019

6.0

1980

4.5

1970

5.5

2008

4.8

1970

6.3

1987

6.0

1963

6.4

2019

0.0

2019

8.0

2003

3.9

1951

4.5