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. 2018 Jul 9;5:83. doi: 10.3389/fcvm.2018.00083

Table 4.

Total number of patients who received treatment with protons, carbon, pion, helium, and other ions around the world through 2017.

Country Protons Carbon Pion Helium Other All
Belgium 21 21
Canada 196 367 563
China 1,239 563 1,802
Czech Rep. 1,538 1,538
England 3,020 3,020
France 13,903 13,903
Germany 8,556 2,870 11,426
Italy 846 816 1,662
Japan 23,842 17,331 41,173
Poland 167 167
Russia 7,061 7,061
South 2,799 2,799
Sweden 1,716 1,716
Switzerland 8,106 503 8,609
Taiwan 439 439
USA 75,896 230 2,054 433 78,613
Grand total 149,345 21,580 1,100 2,054 433 174,512

Data is adopted from PTCOG, Particle Therapy Co-Operative Group (https://www.ptcog.ch/).