1992

6.9

1990

7.0

5.8

2009

7.9

1999

7.5

1985

7.6

2016

7.3

1996

5.3

2025

6.3

2016

7.7

2018

7.1

2018

4.4

2013

8.0

2012

4.8

2024

9.4

2004

8.6

2012

6.4

2007

8.1

2019

9.8

2025

8.1