2000

8.2

1986

7.7

1990

6.9

1999

4.8

2012

9.0

2015

7.4

2012

6.9

1971

7.1

1972

5.9

1989

6.4

2017

7.0

1933

5.7

1966

6.3

2023

10.0

1952

4.0

2020

8.0

2019

4.5

2017

7.5

2022

8.0

2020

7.5