BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 192 57.8%
2 United States 57 17.2%
3 Germany 34 10.2%
4 Taiwan 17 5.1%
5 Hong Kong 12 3.6%
6 South Africa 7 2.1%
7 Canada 6 1.8%
8 France 4 1.2%
9 Australia 1 0.3%
10 Netherlands 1 0.3%
11 Greece 1 0.3%