2021

7.3

1990

6.9

1999

7.7

1984

8.5

2020

9.1

2023

8.2

1989

7.7

2018

8.2

1997

6.8

2020

8.6

2022

7.9

2015

8.4

2015

8.0

2004

6.6

2000

7.9

2004

7.9

1988

6.5

1991

7.6

1979

7.4