1992

6.8

1990

6.9

2014

7.9

1993

5.6

1998

6.9

1997

6.3

2009

7.0

2005

7.9

1990

8.0

2022

8.3

2020

7.0

2009

6.8

2017

6.6

2004

8.2

2010

8.9

2009

7.7

2017

7.6

2024

7.4

2016

6.5

2019

8.2