2015

7.4

2013

6.5

2017

8.1

2021

7.8

2023

7.0

2010

6.0

2018

7.2

1980

2.7

2016

7.2

2024

6.3

1967

5.1

2001

10.0

2018

6.3

2003

7.6

2012

5.9

1988

7.0

1982

5.6

1998

3.0

5.8

2010

4.8