1980

0.0

1999

8.2

1940

7.4

1948

6.1

1946

6.4

2019

7.1

2022

7.0

1991

6.2

1994

7.5

2000

4.1

1964

6.2

1988

7.5

1979

6.7

1996

6.8

1992

5.6

1944

6.3

2015

6.0

1942

5.8

1971

7.0

2007

0.0