2016

6.6

7.3

2012

6.9

1920

5.4

1992

6.5

2013

7.7

1975

6.9

1972

6.2

2020

6.5

1989

5.1

2020

2.7

2003

5.0

1995

8.4

1926

5.6

2021

7.3

2023

6.5

1986

6.8

1956

7.6

1985

5.4

2007

6.3