2021

9.2

2017

7.4

1993

5.4

2003

5.7

2002

5.4

2003

6.6

2020

6.8

2004

7.9

1976

5.9

1982

5.7

2005

7.1

2008

6.7

1964

7.4

2013

7.2

1972

6.4

2000

6.3

2009

7.3

2011

7.3

2013

8.1

2013

5.7