2002

7.9

2016

6.8

2018

7.8

2020

8.2

2018

8.1

1994

7.6

1990

6.9

2015

7.8

1985

7.6

2009

7.4

1983

7.6

2009

7.6

2023

8.5

1988

7.5

2014

7.2

2003

7.1

1994

8.5

2010

8.4

1986

7.7

2020

8.2