1982

7.3

2011

6.3

2020

7.8

2015

5.7

2019

8.1

2018

0.0

2021

7.0

2017

5.4

1986

6.8

1988

8.3

1990

6.1

1987

7.5

1991

7.0

2021

0.0

2013

0.0

2002

7.6

2018

7.8

2000

8.2

1989

8.0

1974

7.9