1990

6.1

1975

4.5

2017

7.4

1984

6.3

2012

6.2

1960

7.4

1939

7.8

1986

6.2

1984

6.5

2015

8.4

1983

6.0

1976

6.6

1998

6.6

2018

5.7

1904

7.2

2023

10.0

2013

4.0

1984

5.7

1965

6.6

1973

7.6