1993

6.2

1998

6.2

2012

9.7

1987

6.0

9.5

2009

8.5

2016

7.0

2022

7.0

2010

5.3

2010

7.5

1980

5.0

2014

5.9

2016

3.4

2023

8.0

2014

5.3

2025

7.8

2002

4.4

1905

4.7