Simulation and Optimization of One Live Pig Low-Carbon Industry Chain Using SD-RCCM

Table 4

The amount of pig breeding from 2005 to 2020 (ten thousand headage).

Year	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020
Annual variation	11.28	20.59	−53.51	15.23	16.51	14.76	19.67	24.37	−18.82	−3.62	17.54	19.46	21.96	−15.41	−5.64	13.21
Total amount	405.45	426.04	372.53	387.76	404.26	419.02	438.69	463.06	444.24	440.62	458.16	477.62	499.58	484.18	478.54	491.75