2019

8.7

1996

8.0

2010

7.1

1989

5.8

2005

5.4

2018

5.3

2000

6.7

2009

6.3

2005

9.7

2006

6.6

1980

8.4

1972

4.0

1994

6.5

2006

5.6

1964

7.0

2003

8.7

2005

8.3

2024

7.2

2012

9.3