2015

5.9

2017

6.7

2015

7.2

1988

7.4

2016

7.8

1997

7.5

2007

7.3

1999

7.6

2001

8.5

2018

7.0

2023

8.1

1990

7.2

2001

6.7

2012

7.2

2013

6.9

2004

7.2

2011

6.7

2000

7.1

1994

8.7

2001

7.6