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Five-year battery export and import statistics
(source: Trade statistics released by the Ministry of Finance Japan)

Export
  Amount (100 million yen) Quantity (100 million pcs)
2012 2013 2014 2015 2016 2012 2013 2014 2015 2016
Primary batteries
Zinc carbon 2 1 0 1 0 0.1 0.0 0.0 0.0 0.0
Alkaline 9 8 9 7 8 0.6 0.5 0.4 0.3 0.5
Silver oxide 64 70 70 71 62 4.5 4.9 5.2 5.4 5.3
Lithium 144 150 178 215 214 4.1 4.2 4.6 5.3 5.8
Others 12 9 10 11 6 0.0 0.0 0.0 0.0 0.0
Subtotal 230 238 267 304 290 9.3 9.6 10.2 11.0 11.6
Secondary batteries
Lead-acid 88 106 107 135 136 0.0 0.0 0.0 0.0 0.0
Nickel cadmium 118 96 56 59 30 1.4 1.1 0.6 0.6 0.4
Nickel iron 0 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Lithium ion 1,831 2,004 2,152 2,460 2,840 9.0 7.7 8.8 9.6 12.0
Nickel metal-hydride 561 667 610 655 733 1.4 1.5 1.3 1.5 1.8
Others 561 902 1,075 938 695 0.8 0.5 0.5 0.3 0.9
Subtotal 3,158 3,775 4,000 4,247 4,433 12.6 10.8 11.2 12.1 15.0
Total 3,389 4,013 4,267 4,551 4,724 21.9 20.4 21.4 23.1 26.6
Total values may differ because they are rounded off to the nearest whole number or decimal place.

Import
  Amount (100 million yen) Quantity (100 million pcs)
2012 2013 2014 2015 2016 2012 2013 2014 2015 2016
Primary batteries
Zinc carbon 17.8 18.4 20.6 20.1 18.3 2.0 1.7 1.7 1.4 1.7
Alkaline 94.2 126.0 132.7 143.6 124.5 9.0 10.1 10.0 9.9 9.5
Silver oxide 1.3 1.7 1.1 0.9 0.8 0.1 0.1 0.0 0.0 0.0
Lithium 37.7 59.0 63.3 62.6 54.8 1.2 1.6 1.4 1.4 1.4
Others 8.6 14.3 31.5 17.0 16.7 0.5 0.5 0.6 0.6 0.7
Subtotal 159.6 219.4 249.1 244.2 215.2 12.8 14.0 13.7 13.3 13.4
Secondary batteries
Lead-acid 289.0 293.8 315.6 332.1 327.1 0.1 0.1 0.1 0.1 0.1
Nickel cadmium 20.4 22.9 21.3 20.9 17.4 0.0 0.0 0.0 0.0 0.0
Nickel iron 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Others - - - - - - - - - -
Lithium ion 416.5 638.9 567.8 767.6 814.8 0.5 0.5 0.4 0.5 0.6
Nickel metal-hydride 57.4 55.4 61.2 61.4 50.8 0.2 0.2 0.2 0.2 0.2
Others 129.8 115.3 108.1 152.8 132.1 0.1 0.2 0.2 0.1 0.0
Subtotal 913.0 1126.4 1073.9 1334.7 1342.2 1.0 1.0 1.0 0.9 0.9
Total 1072.6 1345.8 1323.0 1578.9 1557.4 13.8 15.0 14.6 14.2 14.3
Total values may differ because they are rounded off to one decimal place.
In 2012, "Others" in "Secondary batteries" was divided into "Lithium ion," "Nickel metal-hydride" and "Others."