2002

7.5

1995

6.4

2015

7.7

2009

7.7

2021

7.8

2018

5.0

2003

5.5

1984

7.0

1999

7.9

2014

5.8

1980

7.3

2020

8.2

2017

6.6

2000

7.5

2011

6.8

2014

7.3

2009

8.0

2011

8.5

2014

6.8

2011

7.6