2000

6.9

2009

7.8

1990

6.9

2021

7.6

2018

8.1

2024

7.7

1983

8.4

1974

8.0

2014

7.3

1982

7.9

1998

7.1

2016

5.9

2004

8.6

2019

4.4

2016

7.3

2009

5.9

2015

7.7

1987

8.4

2021

7.4

2022

7.9