Pig population
10 million
7.5
5
2.5
0
2003
2005
2007
2010
2013
2016
Pig farms
100 thousand
75
50
25
0
2003
2005
2007
2010
2013
2016
Pig population
Pig farms
10 million
100 thousand
7.5
75
5
50
2.5
25
0
0
2003
2005
2007
2010
2013
2016
2003
2005
2007
2010
2013
2016