2019

7.6

1998

5.9

2013

6.1

6.3

2010

6.4

2009

6.6

1984

6.5

2012

5.7

2021

5.0

1965

6.0

2014

5.4

2004

6.6

2015

7.5

2003

8.8

2021

6.1

1999

6.6

2023

7.2

2020

5.2

2020

7.1