2009

2.5

1992

5.0

2005

7.2

2015

7.1

2001

7.2

2012

4.6

1977

4.9

2022

6.0

2011

2.0

1994

7.6

1979

6.0

2002

7.6

1992

4.3

1994

5.3

2015

6.5