1983

10.0

1972

4.0

2015

7.6

2003

6.6

2021

6.2

2006

6.4

2022

5.1

1991

7.0

2020

6.8

1993

4.3

2014

6.6

1972

5.8

1982

5.9

2002

7.8

2022

8.7

1992

5.4

1990

6.0

2008

6.5