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As of May 2017
Monthly battery export and import statistics
(source: Trade statistics released by the Ministry of Finance, Japan)

Unit: 1,000 (Quantity), million JPY (Amount)
  May 2017 Accumulated total from January to May 2017
Quantity Amount y-o-y change in quantity y-o-y change in amount Quantity Amount y-o-y change in quantity y-o-y change in amount
Total of all batteries (exported) 205,578  37,669  109%  114%  1,082,236  205,386  108%  110% 
Total of primary batteries 96,677  2,341  110%  98%  486,971  12,698  109%  106% 
Zinc carbon 474%  19%  168%  48% 
Alkaline 4,237  87  91%  114%  12,367  288  97%  111% 
Silver oxide 40,714  482  111%  108%  228,614  2,775  116%  113% 
Lithium 51,722  1,708  110%  95%  245,434  9,265  103%  103% 
Zinc air 546  170%  156% 
Others 63  21%  93%  360  17%  167% 
Total of secondary batteries 108,901  35,329  109%  115%  595,264  192,687  108%  111% 
Lead-acid 156  1,149  100%  121%  855  6,142  103%  116% 
Nickel cadmium 1,215  128  47%  65%  9,374  916  60%  68% 
Nickel iron
Nickel metal-hydride 13,803  6,867  114%  141%  66,243  34,603  103%  124% 
Lithium ion 87,845  20,326  110%  105%  486,716  117,921  111%  105% 
Others 5,882  6,858  102%  130%  32,077  33,106  110%  123% 
Total of all batteries (imported) 99,968  12,790  87%  107%  593,115  64,682  105%  102% 
Total of primary batteries 92,399  1,615  86%  94%  555,199  9,249  105%  108% 
Zinc carbon 12,233  117  82%  73%  69,765  756  99%  100% 
Alkaline button 3,132  28  132%  148%  13,681  112  83%  81% 
Alkaline (exc. button type) 60,747  847  84%  89%  384,019  5,241  108%  108% 
Silver oxide 114  182%  353%  468  19  54%  73% 
Lithium 11,884  536  103%  130%  65,910  2,459  115%  114% 
Zinc air 4,233  71  74%  83%  21,253  430  72%  94% 
Others 57  10  4863%  10%  104  231  97%  104% 
Total of secondary batteries 7,569  11,175  99%  109%  37,916  55,433  99%  101% 
Lead-acid 621  2,912  96%  107%  3,429  15,123  112%  115% 
Nickel cadmium 103  155  92%  116%  331  701  63%  97% 
Nickel iron 9673%  1223% 
Nickel metal-hydride 1,673  421  97%  96%  9,999  2,136  97%  86% 
Lithium ion 5,103  6,656  102%  114%  23,707  32,084  104%  98% 
Others 68  1,031  71%  98%  444  5,383  29%  97% 
Total values may differ because they are rounded off to the nearest integer.

As of 2012, the "Others" category of imported secondary batteries has been separated into Nickel metal-hydride, Lithium ion and Others.
As of 2016, the "Alkaline" category of imported primary batteries has been separated into "Alkaline button" and "Alkaline (exc. button type)" categories.