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 194 49.5%
2 United States 52 13.3%
3 Germany 46 11.7%
4 Taiwan 29 7.4%
5 Malaysia 15 3.8%
6 Hong Kong 15 3.8%
7 Canada 10 2.6%
8 Singapore 10 2.6%
9 Australia 6 1.5%
10 Ukraine 3 0.8%
11 Viet Nam 2 0.5%
12 Portugal 2 0.5%
13 Japan 2 0.5%
14 Latvia 2 0.5%
15 Macao 1 0.3%
16 Ireland 1 0.3%
17 Russia 1 0.3%
18 Tanzania, United Republic of 1 0.3%