1989

7.9

5.6

2007

9.8

1987

6.1

2009

4.5

1980

8.5

1953

7.1

1987

8.0

1943

6.9

2018

9.5

1999

7.3

1997

6.8

1991

7.1

2009

6.5

2016

7.4

1990

6.2

2021

8.2

1973

6.6