2001

7.2

2006

6.1

2016

6.0

2016

6.7

1975

7.0

2020

6.5

1980

5.8

2000

5.2

2022

7.3

1999

6.8

2009

6.2

2018

6.1

2021

7.4

1999

6.5

2011

5.6

2022

6.3

2020

6.7

1996

6.9

2010

6.8

1982

5.2