2021

1.0

1994

8.9

2009

7.1

2014

7.0

2006

5.7

1994

7.0

1964

7.4

2017

6.4

2000

6.0

1998

6.1

1994

7.6

1898

7.2

2013

6.9

2014

6.0

1993

6.2

1993

5.6

1941

7.3

2018

7.0

2002

4.5