1966

9.0

1993

5.5

2003

5.8

2001

6.1

2021

9.2

1984

6.4

5.6

2013

7.6

2014

4.5

2021

6.9

2016

7.4

2020

7.5

2020

6.7

1982

6.4

1988

5.4

2020

5.5

1996

7.5

1959

5.3

2017

6.9

7.8