2013

6.2

2022

8.0

2020

6.3

2018

7.5

2022

7.0

2015

6.9

1984

8.3

1996

6.9

2015

6.0

2018

5.6

2003

7.4

2006

5.2

1959

5.8

1999

8.3

1994

3.0

1983

8.1

2004

6.2

2005

6.2

2000

8.2

2003

7.7