1987

7.2

2005

7.0

2016

6.5

2019

7.9

1985

7.7

1996

6.8

2015

6.2

2000

7.4

1998

6.9

1999

7.1

1997

7.6

2003

6.1

1999

6.5

1998

6.6

2020

5.0

2017

10.0

2000

7.6

2016

7.9

2023

8.0

1996

6.6