2000

7.4

2002

6.4

2007

3.8

1987

6.6

1992

5.0

2010

4.5

1999

5.4

2024

7.4

2008

6.8

2009

3.5

1989

6.0

2004

3.8

2012

6.3

2011

3.4

1998

5.8

2018

5.7

1991

5.8

2011

5.3

1952

5.7

2017

6.7