Year	% of total agricultural land
2001	3.506063230882437
2002	3.4557559775512385
2003	3.3082927082865643
2004	3.3913016974967474
2005	3.2961207013716782
2006	3.5374301920310063
2007	3.787482434747776
2008	3.62352511870242
2010	3.4142437983462255
2011	3.7186586798141907
2012	5.743271997717668
2013	3.6532183671465157