2020

6.1

6.4

2013

6.1

2014

6.6

1975

4.5

1976

5.9

2004

5.0

2014

8.0

1986

9.2

2008

7.8

2007

7.0

2003

6.8

2005

6.0

2019

5.8

2015

6.4

1975

4.9

2012

5.5

2023

4.5