2002

7.3

2012

7.6

1992

4.7

2015

6.2

1990

7.4

2001

7.6

1999

7.9

2000

5.0

2017

0.0

1987

4.6

2017

7.6

2018

6.5

2017

8.1

1999

8.7

1999

6.7

2022

6.6