2020

6.5

1982

7.6

2007

8.2

2006

6.7

1990

6.1

1965

6.5

1991

6.2

1958

7.5

2004

6.4

1959

6.1

2006

6.5

1999

5.9

1987

6.2

1953

7.6

2019

6.7

2020

7.4

2017

6.6

2001

5.1

1987

6.0

1953

6.9