2010

5.7

2020

6.1

2017

10.0

1999

10.0

1992

7.2

1990

4.4

2005

7.4

2019

7.6

2009

4.6

1998

7.0

2005

8.7

1991

3.6

2000

8.5

2004

7.0

5.8

1975

5.8