2001

7.5

1971

5.8

2017

7.3

2011

8.8

2023

7.7

1971

7.5

2023

4.4

1968

4.8

1981

4.5

1982

5.7

1958

6.2

1979

6.7

1981

6.3

2015

6.6

1964

7.6

2021

6.0

2000

7.9

1983

4.4

2007

7.4

1959

5.2