2021

9.2

1999

7.0

2013

7.1

2017

7.1

2007

6.5

2011

7.3

2018

5.0

2006

5.0

1987

4.6

2004

7.8

5.8

2000

6.3

2005

6.4

2007

5.6

2009

6.5

2022

3.8

1998

6.4

1964

7.4