2021

7.6

2015

7.1

1989

8.4

2016

7.7

2024

9.0

2019

8.1

2007

7.5

2023

8.4

2001

7.0

2014

5.5

2021

5.8

2002

7.9

2016

8.0

2003

7.8

2009

7.4

2013

7.2

2011

6.9

2017

7.5

2009

7.5

1977

6.3