11.   Nigeria also was alleged to be a center for production of pirated audiovisual material.

a. + material >>共 922
nuclear 4.99%
radioactive 4.13%
building 4.10%
new 3.77%
hazardous 3.53%
genetic 2.61%
bomb-making 1.24%
explosive 1.07%
reading 1.07%
educational 1.05%
pirated 0.09%
pirated + n. >>共 62
software 19.79%
copy 11.70%
goods 11.70%
product 6.81%
music 5.74%
disc 5.74%
version 3.83%
movie 3.40%
video 3.40%
material 2.34%
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