2000

8.2

1950

8.1

2006

5.4

1999

5.3

1974

5.4

1982

5.6

1955

7.3

2003

6.2

1951

5.2

2018

7.4

1978

5.9

2018

4.8

2014

6.4

2016

7.6

1997

4.4

1983

6.8

1931

5.2

1972

5.8

2022

6.2

2021

6.2