1990

7.9

2016

7.0

2021

8.3

1989

6.2

1986

6.8

2003

7.5

2022

7.2

1984

7.3

2015

7.1

2017

7.0

2024

7.4

2019

6.0

1994

7.6

2001

7.8

2017

6.0

2004

7.9

1988

7.6

1994

7.0

2014

6.4

2008

6.4