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 204 58.5%
2 United States 64 18.3%
3 Germany 25 7.2%
4 Taiwan 13 3.7%
5 Canada 11 3.2%
6 Hong Kong 9 2.6%
7 Russia 6 1.7%
8 Malaysia 5 1.4%
9 Netherlands 4 1.1%
10 Mexico 2 0.6%
11 Australia 2 0.6%
12 Belgium 1 0.3%
13 Czech Republic 1 0.3%
14 Romania 1 0.3%
15 Singapore 1 0.3%