1998

1.0

2016

4.2

2000

5.8

2004

5.6

2003

6.2

1995

6.4

2009

7.5

2002

5.5

2007

6.9

1992

4.9

2024

5.7

2015

3.0

2004

3.0

2004

3.8

2003

4.5

2017

1.0

1996

7.7

2011

5.9

1974

3.6

2009

4.7