1993

5.6

1964

7.4

1989

7.3

2021

7.7

1952

7.0

5.7

2016

7.9

1998

4.8

2016

6.4

1958

7.3

2016

7.3

2007

6.7

1973

6.1

2005

7.5

2001

5.9

1941

7.3

2018

5.5

2005

8.3

1968

6.3

2015

6.4