1966

8.5

1991

6.8

1971

7.5

1986

5.1

2017

4.6

2024

7.0

1965

3.4

1993

7.3

1987

4.3

2000

5.5

6.0

2022

10.0

2018

3.9

1994

6.2

2001

6.3

1984

5.0

2021

6.0

2007

2.0