2000

6.0

2003

5.8

2006

6.4

2010

6.2

2007

7.7

2009

7.5

5.4

1993

6.8

2017

7.4

1989

7.2

2024

10.0

2007

10.0

2021

8.2

1994

9.7

1968

6.9

2015

8.5

7.3

2008

5.2