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年份猪年底头数(万头)
197830128.50
197931970.50
198030543.10
198129370.20
198230078.30
198329853.60
198430679.20
198533139.60
198633719.10
198732773.30
198834221.80
198935281.00
199036240.80
199136964.60
199238421.10
199339300.10
199441461.54
199544169.19
199636283.60
199740034.80
199842256.30
199943144.20
200044681.54
200145742.97
200246291.46
200346601.69
200448189.07
200543319.11
200641854.43
200743933.25
200846433.12
200947177.21
201046765.25
201147074.81
201248030.24
201347893.14
201447160.21
201545802.89
201644209.17
201744158.92
201842817.11
201931040.69
202040650.42
202144922.42
202245255.73
202343422.27
202442742.85