1971

5.8

1978

7.4

2011

8.8

1964

7.6

1971

7.5

2015

6.6

1964

7.3

1953

7.3

2001

7.5

1952

8.1

2000

6.2

1968

4.8

1981

4.5

1982

5.7

1958

6.2

2023

7.7

2023

4.4

2006

6.7

2007

6.7

1982

5.1