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 182 41.5%
2 United States 107 24.4%
3 Germany 47 10.7%
4 Netherlands 44 10%
5 Korea, Republic of 18 4.1%
6 Sweden 16 3.6%
7 Russia 5 1.1%
8 Hong Kong 4 0.9%
9 France 3 0.7%
10 Canada 3 0.7%
11 Macao 2 0.5%
12 Viet Nam 1 0.2%
13 Cambodia 1 0.2%
14 India 1 0.2%
15 Ireland 1 0.2%
16 Singapore 1 0.2%
17 Spain 1 0.2%
18 Togo 1 0.2%
19 Lithuania 1 0.2%