2008

3.5

1982

6.7

2001

7.1

1996

6.3

2009

7.5

1986

6.7

2003

8.4

2005

5.8

2018

4.9

1999

6.0

2023

6.6

2011

4.3

1989

6.2

2013

6.3

2018

7.1