2005

7.3

2013

6.6

2021

0.0

2015

6.8

2003

7.2

2000

7.9

1984

7.8

1968

6.0

2022

6.5

2009

9.0

2015

6.5

2002

0.0

2018

5.5

2014

8.1

2014

7.5

1989

5.8

2006

6.7

1987

7.5

1998

6.4

2020

7.4