2020

7.7

2012

8.4

2015

8.3

2021

8.3

2010

7.8

2024

8.1

1985

7.7

1998

8.2

2006

7.8

1989

8.0

1993

7.0

2004

8.6

2004

7.9

1972

7.9

2000

7.6

1996

6.8

1986

8.4

1997

8.1

2009

7.2

2014

6.9