2020

7.4

1996

7.5

2006

7.4

2006

10.0

1989

7.3

1998

6.2

1921

6.8

1992

5.7

1989

7.6

1988

6.3

2001

8.9

1999

7.6

2004

9.9

1966

7.0

1975

6.8

1949

6.9

2015

6.7

2021

6.6

2011

5.0

2020

7.2