2013

6.1

1999

6.6

1975

4.9

6.2

2021

5.7

1966

6.7

2008

7.8

2013

6.1

5.1

2021

5.5

2014

5.4

1963

7.0

2012

7.8

1966

7.0

1978

6.8

2003

6.2

2020

6.9

2001

4.3

1989

5.6

1984

6.5