2007

5.6

1972

8.7

1994

8.3

2014

7.8

2012

7.2

2004

8.4

1999

8.0

1977

8.2

2022

7.3

2016

6.5

1997

7.9

1997

8.3

2009

7.6

2005

6.9

2014

7.7

2010

6.6

1998

7.9

2016

7.7

1990

7.5

2005

6.1