2015

3.3

1998

7.0

2008

7.4

1982

7.6

2008

8.9

1985

7.5

2002

8.2

2006

8.6

2016

6.9

2005

8.8

2021

7.2

1999

8.2

2015

8.3

2022

8.2

2012

8.3

1989

7.7

1969

7.8

2015

7.3

2001

7.6

1982

7.5