1992

6.7

2010

4.3

1953

8.0

2020

5.5

1991

7.5

2021

7.4

2016

6.4

2020

3.0

1979

8.1

2006

7.1

2004

6.5

2006

6.1

1985

7.5

2002

6.7

1971

7.2

2015

3.7

1998

8.3

1987

6.8

1993

5.7

1973

6.0