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 436 64.6%
2 United States 151 22.4%
3 Germany 46 6.8%
4 Hong Kong 11 1.6%
5 Taiwan 9 1.3%
6 Japan 4 0.6%
7 Portugal 3 0.4%
8 Canada 3 0.4%
9 Australia 2 0.3%
10 Romania 2 0.3%
11 Macao 2 0.3%
12 Netherlands 2 0.3%
13 Norway 1 0.1%
14 Suriname 1 0.1%
15 Sweden 1 0.1%
16 United Arab Emirates 1 0.1%