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 236 47.8%
2 United States 73 14.8%
3 Germany 55 11.1%
4 Hong Kong 43 8.7%
5 Taiwan 38 7.7%
6 Netherlands 8 1.6%
7 Japan 8 1.6%
8 Canada 7 1.4%
9 Malaysia 5 1%
10 Singapore 4 0.8%
11 Australia 4 0.8%
12 India 3 0.6%
13 Belgium 2 0.4%
14 Korea, Republic of 2 0.4%
15 Russia 2 0.4%
16 Ukraine 2 0.4%
17 Nigeria 1 0.2%
18 Macao 1 0.2%