What was the year when the last fallow period began? (year)
Categories
Value
Category
2
DK
1980
1985
1990
1992
1993
1996
1997
1998
1999
2000
2002
2003
2004
2005
2006
2007
2008
2009
2010
Sysmiss
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.