2021

6.8

2015

7.9

2005

8.4

1955

4.9

1977

5.1

2007

7.7

1959

3.6

2018

5.0

2021

10.0

2017

5.6

2001

4.0

2001

3.5

2016

7.0

2008

5.0

1968

4.4

2014

6.0

2006

6.5

2003

7.0

2003

5.0