2011

7.3

6.6

2015

6.4

2023

6.9

2018

6.7

2023

9.4

1964

5.0

2015

6.7

1975

7.9

2000

8.1

2012

6.0

2007

5.9

2013

6.3

1974

5.1

1985

6.1

6.6

2011

7.2

1998

8.4

1986

7.1