2015

6.4

5.0

1975

4.5

2021

6.2

1986

6.4

6.4

2004

9.5

2016

5.9

1990

5.8

1968

6.9

2004

7.3

2007

8.1

2005

9.9

1974

6.3

2015

6.0

2011

5.0

2003

5.3

2019

6.5

1999

7.3