1990

6.9

2013

7.1

2018

4.6

5.7

2019

8.2

1962

8.0

2025

7.7

2018

7.0

2005

3.0

2018

9.0

2006

4.0

2019

6.0

2010

4.2

1992

6.8

1984

8.5

2003

10.0