2005

3.7

2002

5.3

2015

7.5

2007

6.6

1999

6.0

2021

0.0

2010

6.4

1985

5.3

2014

6.3

2004

3.8

2018

10.0

2000

1.0

2022

5.5

2002

5.3

2023

0.0

1996

5.2

1981

5.9

1926

6.7

1980

2.8

2017

5.7