2009

2.5

1992

8.5

2006

6.9

2018

8.0

2002

8.6

1986

8.0

2000

5.8

1988

5.5

2002

8.2

2007

7.5

2021

8.0

2022

10.0

1999

8.7

2008

8.4

1961

4.7

2003

6.3

2010

7.7

1959

7.0

2016

5.2

2014

10.0