2013

6.1

2008

5.7

1999

6.6

2013

6.1

2006

6.6

2023

6.2

2000

5.2

2023

9.2

2014

5.4

2005

5.8

2017

9.5

1999

7.4

2018

6.4

1984

6.5

2007

6.7

1969

4.9

6.3

1964

7.0

2008

7.4

2021

7.5