The Better Way Back to the Soil

8.5

/

2017

7.8

/

2012

6.42

/

2010

6.178

/

2011

5.2

/

2010

6.458

/

2011

7.065

/

NaN

5.942

/

2014

4.9

/

2007

6.147

/

2001

7.764

/

2006

6.028

/

2013

7.511

/

2010

6.886

/

2012

7.462

/

2009

6.848

/

2010

6.126

/

1966

6.8

/

2008

6.813

/

2011

6.9

/

2017