2009

6.6

1969

3.0

1997

6.1

1996

7.2

1990

6.6

2020

1.0

2019

6.9

1987

6.9

2015

5.9

1999

6.5

2002

6.8

2007

5.5

2005

6.3

1992

5.9

2018

6.5

2015

5.9

1999

6.4

1980

2.0

1975

5.5

2001

5.1